
Which Company Should You Choose for a Pet Food Production Line?
There is no single pet food machinery manufacturer that is suitable for every project. When choosing
Automatic Rawhide Twisting And Drying Line is an industrial-grade system designed for producing twisted rawhide ropes used in natural dog chews. These twisted ropes are the base material for pet chew products like knotted bones, braided sticks, rings, and twists.
This line integrates squeezing, cutting, twisting, and drying into one automatic process. Uniform twisting and proper drying ensure consistent shape, chew strength, and shelf life — key concerns for pet food brands and OEM buyers targeting global markets.
Used for Rawhide Twisting Production.

| Model | Output | Installed Capacity |
|---|---|---|
| DR-RT3 | 3000 pcs/h | 17 kW |
Raw Materials : Complete fresh animal rawhide
Looking to create a unique pet food product? We provide full customization services, from concept to finished machine. Our engineering team uses CAD and 3D modeling to bring your ideas to life—fast and accurately. Let’s work together to build your next best-seller.
The Automatic Rawhide Twisting And Drying Line is an automated, multi-stage system engineered for mass production of natural rawhide dog chews. Each module plays a critical role in transforming fresh rawhide into consistent, export-quality twisted ropes. The system includes:
① Control Cabinet
② Water Squeezer
③ Robot Arm A
④ Vibrating Cutter
⑤ Robot Arm B
⑥ Strip Cutter
⑦ Twisting Machine
⑧ Dryer
⑨ Final Cutter
Automatic Rawhide Twisting And Drying Line operates through a streamlined, modular process that transforms fresh rawhide into standardized twisted ropes. This system ensures consistent quality, low labor input, and compliance with international food-grade standards.
Choose Darin Automatic Rawhide Twisting And Drying Line for consistent twist quality, full automation, and export-grade compliance. Trusted by global pet food brands — upgrade your rawhide chew production today!

Motors from Darin Machinery are sourced from WEG with a 3-year worldwide guarantee or Siemens.Enjoy a reliable global after-sales service system.

Electric parts are from ABB or Schneider, easy to find replacments at local market.

PLC and touch screens from Siemens, Germany, are used by Darin Machinery to ensure easier operation and reduced labor requirements.

When faults occur, Darin Machinery’s touch screens display relevant information, making it easy to diagnose and resolve issues quickly.

Darin Machinery control cabinets are equipped with 24V safe voltage, ensuring operator safety even electrical leakage occurred.

Darin Machinery includes three types of protectors over-current, over-voltage, over-heat to ensure machine and operator safety.

Servo follows the cutting size more accurately, rolling cutting can cut products with strong toughness, such as cowhide products, and the cutter does not cut the conveyor belt.

The end of the conveyor belt has a small turning radius, which makes material transportation smoother.

Its components are arranged for quick disassembly, ensuring efficient upkeep and hygienic operation.

All cover bodies, mesh belts, and parts in contact with materials at Darin Machinery are made of food-grade stainless steel 304, providing superior durability and safety.
Darin® Machinery is global leading manufacturer of pet food production lines, Darin® provide full-cycle, one-stop production equipment solutions for all types of pet food, pet treats & pet health products.
■ All machinery is certified with European CE Approval & ISO 9001 Certification.
■ Run in 99+ countries including USA, Germany, Japan, Italy, UAE, Australia etc.
■ Machinery Supplier of General Mills, Kelloggs, Melinda, Bill Gates foundation & Wanpi.
■ 290+ Invention patents & utility model patents.
■ Government-certified high-tech enterprise.
■ Member of APPA (USA) & Deputy President Unit of SDPIA.
■ Professional food machinery manufacturer with 18 years of experience.








Our extensive product range includes production lines for pet dry food, wet food, semi-moist food, and raw food, as well as common pet treats such as biscuits, jerky, dental chews, rawhide chews, and training treats. Additionally, we offer various food machinery production lines, puff snack machines, energy granola bar machines, and support equipment.
Darin Machinery’s equipment is operational in over 99 countries and regions, including the USA, Germany, Japan, Italy, Spain, the Netherlands, Australia, Canada, Holland, Saudi Arabia, Brazil, Mexico, Indonesia, Thailand, and more. Darin Machinery serves renowned clients worldwide, including General Mills, Kellogg’s, and the Bill & Melinda Gates Foundation, among top-tier pet food suppliers.
When purchasing the Automatic Rawhide Twisting And Drying Line, you might be interested in the following questions.
The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) has a standard production capacity based on its integrated design. Here are the specifications:
Would you like me to recommend a specific configuration for your target capacity or market demand?
Yes. The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is designed for twisted ropes. But with additional modules, it can handle other shapes.
The core line produces:
With optional modules, it can also produce:
Would you like a recommendation for a multi-shape line or a high-output line focused on twisted ropes?
For optimal performance of the Automatic Rawhide Twisting And Drying Line (Model DR-RT3), the rawhide material must meet certain specifications. Below are the recommended ranges.
| Parameter | Specification Range | Notes |
|---|---|---|
| Moisture Content | 30% – 50% (fresh rawhide) | Fresh rawhide works best. Water squeezer removes excess before twisting. |
| Thickness | 2.0 – 6.0 mm | Thicker hides produce stronger chews. Adjustable for different products. |
| Width (Strips) | 15 – 60 mm | Vibrating cutter and strip cutter adjust to target width. |
| Length | 200 – 800 mm | Longer strips allow more twist options. Final cutter trims to size. |
| Type | Fresh complete animal rawhide (beef, buffalo) | Buffalo is tougher. Beef is more common. |
| Preparation | Cleaned, fresh | No pre-drying needed. Line includes water squeezing and cutting. |
Would you like a detailed guide for rawhide preparation or sourcing recommendations for compliant suppliers?
Yes. The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is designed to meet key food-grade certifications for pet chew production. Here's what you can expect:
| Certification | Description | Relevance |
|---|---|---|
| CE | Meets EU safety, health, and environmental standards. | Required for EU export. |
| FDA (USA) | Food-contact materials comply with FDA standards (304 stainless steel). | For US export. |
| GMP | Hygienic design for easy cleaning and sanitation. | Widely accepted globally. |
| ISO 9001 | Quality management system certification. | Optional. Builds trust. |
Would you like assistance with selecting a pre-certified line or preparing compliance documents for your export project?
Yes. The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) can be modularly configured. It integrates drying, flavoring, and sterilization as inline or auxiliary systems.
✅ YES – Already Included
✅ YES – Optional
✅ YES – Optional
Would you like help designing a complete line layout based on your capacity and module needs? I can provide a recommended configuration.
The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is available in multiple automation levels. Here's a breakdown of common configurations.
✅ Ideal for medium to large-scale production
Features:
Benefits:
Who It's For: Large pet chew factories, OEM exporters, high-volume producers
⚙️ Flexible for small to medium producers
Features:
Benefits:
Who It's For: Startups, small pet treat brands, custom producers
👷 For pilot production or small workshops
Features:
Who It's For: Artisanal producers, R&D labs, low-volume facilities
| Automation Level | Output | Labor Need | Investment |
|---|---|---|---|
| Fully Automatic | 3000 pcs/h | Very Low | High |
| Semi-Automatic | 1000–1500 pcs/h | Medium | Medium |
| Manual-Assisted | 200–500 pcs/h | High | Low |
Would you like me to recommend a configuration that matches your target output, space, and labor availability? I can also provide ROI analysis between semi-automatic vs. fully automatic options.
The number of operators depends on the automation level. Here's a breakdown by line type.
| Line Type | Operators Needed | Notes |
|---|---|---|
| Fully Automatic (DR-RT3) | 1–2 operators | One monitors control panel and robot arms. Second supervises drying and final cutting. Very low labor. |
| Semi-Automatic | 3–4 operators | Manual feeding and transfer between stations. |
| Manual-Assisted | 5–7 operators | Most labor-intensive. Manual cutting, twisting, and drying. |
Would you like a labor estimate and layout plan based on your target capacity (3000 pcs/h)? I can map out operator roles by station.
The installation space depends on capacity, automation level, and optional modules. Below is a guideline for Model DR-RT3.
Recommended Space:
Length: 15–20 meters
Width: 4–6 meters
Height: ≥2.8 meters
Layout Includes:
✅ Ideal for medium to large-scale factories
Recommended Space:
Length: 10–15 meters
Width: 3–5 meters
Height: ≥2.5 meters
Layout Includes:
✅ Flexible for smaller facilities
Recommended Space:
Length: 6–10 meters
Width: 3–4 meters
Height: ≥2.5 meters
Layout Includes:
✅ Ideal for R&D or small workshops
Would you like a custom AutoCAD or PDF layout drawing based on your facility dimensions and target capacity (3000 pcs/h)? I can help optimize the flow line for labor efficiency and hygiene compliance.
The line requires electricity, water, and optional compressed air. Below is a breakdown for Model DR-RT3.
| Equipment | Power | Notes |
|---|---|---|
| Water Squeezer | 1–2 kW | Standard |
| Robot Arm A & B | 2–3 kW (total) | Servo-driven |
| Vibrating Cutter & Strip Cutter | 2–3 kW | Standard |
| Twisting Machine | 4–6 kW | Adjustable speed |
| Dryer (Electric) | 10–15 kW | Hot air circulation |
| Final Cutter | 1–2 kW | Standard |
| Control Cabinet | 1–2 kW | PLC and HMI |
🔌 Total Installed Power: 17 kW (Model DR-RT3)
🔌 Voltage: 380V / 50Hz / 3-phase (customizable)
| Usage | Consumption | Notes |
|---|---|---|
| Rawhide processing (moisture) | Included in fresh rawhide | No soaking needed |
| Machine cleaning / sanitation | 100–200 liters/day | Daily hygiene requirement |
💧 Water Quality: Clean potable water for cleaning. Fresh rawhide contains enough moisture for processing.
| Equipment | Pressure | Flow Rate |
|---|---|---|
| Robot arms & pneumatic cutters | 0.6–0.8 MPa | 0.2–0.4 m³/min |
🛠️ Compressor Recommendation: 3–5 kW air compressor with air dryer.
Would you like a tailored utility layout guide or power load list for your plant's engineering team?
Yes. The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) can be customized for branded molds and unique designs. Helps you create market-differentiated pet chews.
| Customization Type | Description | Notes |
|---|---|---|
| Twist Pattern Customization | Adjust twist density, direction, and tightness for unique rope designs. | Programmable via PLC. |
| Rope Thickness & Length | Configure strip width and final cut length for different chew sizes. | For small to large dogs. |
| Custom End Shapes | Final cutter can create straight ends, tapered ends, or rounded tips. | For knotted or bone-style chews. |
| Branded Embossing (Optional) | Custom embossing rollers can imprint logo or text onto rawhide. | Requires CNC mold fabrication. |
| Packaging Compatibility | Final rope length and diameter can match specific pouch or bag sizes. | For retail-ready output. |
Would you like help designing a custom product line with unique twist patterns or branded embossing? I can assist with design, compatibility check, and cost estimate.
A complete Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is delivered as a modular system. Below is the standard and optional component breakdown.
| Component | Function | Notes |
|---|---|---|
| 1. Control Cabinet | Centralized PLC and HMI control. | Touch screen, preset programs. |
| 2. Water Squeezer | Removes excess moisture from fresh rawhide. | Prepares for cutting. |
| 3. Robot Arm A | Automatically feeds rawhide to vibrating cutter. | Hygienic handling. |
| 4. Vibrating Cutter | Slices rawhide into even-width strips. | Adjustable width. |
| 5. Robot Arm B | Transfers strips to strip cutter and twisting machine. | Fully automatic. |
| 6. Strip Cutter | Cuts strips to required length. | Adjustable length. |
| 7. Twisting Machine | Twists strips into uniform ropes. | Speed and direction adjustable. |
| 8. Dryer | Hot air circulation drying. | Enhances shelf life. |
| 9. Final Cutter | Trims dried ropes to preset size. | Ready for packaging. |
📦 Package Delivery Format
Would you like a turnkey quotation including all standard components for Model DR-RT3? I can also propose a layout diagram tailored to your facility.
| Component | Function | Notes |
|---|---|---|
| Knotting Module | Creates knotted rawhide bones. | Optional add-on. |
| Flavoring System | Sprays liquid flavor after drying. | Spray or tumbler. |
| Sterilization Unit | UV or microwave sterilization. | For export compliance. |
| Auto Packing Machine | Weighs, bags, and seals. | Fully automatic. |
The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is built with food-safe, corrosion-resistant materials. Meets hygiene standards for pet food production.
| Component Area | Material | Notes |
|---|---|---|
| Contact Parts (squeezer rollers, cutter blades, twisting heads) | Stainless Steel 304 | Food-grade, corrosion-resistant. Standard for rawhide contact. |
| Optional Upgrade | Stainless Steel 316 | Higher corrosion resistance. For humid or harsh cleaning environments. |
| Robot Arms (A & B) | SUS 304 + Food-grade Grippers | Hygienic, easy to clean. |
| Machine Frame | SUS 304 or Carbon Steel + Powder Coating | Non-contact areas. Powder coating for durability. |
| Dryer Interior | SUS 304 | Heat-resistant, easy to sanitize. |
| Control Cabinet | SUS 304 or Powder-Coated Steel | IP54–IP65 enclosure. Dust and water resistant. |
| Bearings & Shafts | Sealed Chrome Steel or SUS 304 | Food-safe, greaseable. |
Would you like to specify SUS 316 upgrades for enhanced corrosion protection? Or request a material traceability sheet for FDA or EU audits?
Yes. On-site installation and operator training are included for the Automatic Rawhide Twisting And Drying Line (Model DR-RT3). Available from Darin Machinery.
✅ Included with full line orders
What's Included:
Technician Support:
✅ Always included
Training Covers:
Training Format:
Would you like a sample installation schedule and training checklist for operator onboarding? I can also provide a bilingual SOP tailored to your plant.
The standard lead time for the Automatic Rawhide Twisting And Drying Line (Model DR-RT3) typically ranges as follows:
| Line Type | Production Time | Delivery Time (Sea Freight) | Total Lead Time |
|---|---|---|---|
| Standard DR-RT3 (Fully Automatic) | 30–40 working days | 20–35 days (port-to-port) | 50–70 days |
| Semi-Automatic Line | 20–30 working days | 15–30 days | 35–55 days |
| With Custom Rollers or Embossing | +10–15 days extra | — | Varies by complexity |
Would you like a sample production & shipping schedule tailored to your destination port (e.g., Hamburg, Rotterdam, Los Angeles)? I can also help align delivery with your site preparation and utility readiness.
The Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is carefully packed and shipped for safe arrival. Here are the standard methods.
| Component Type | Packing Style | Features |
|---|---|---|
| Robot Arms, Cutters, Twisting Machine | Fumigation-free wooden cases | Shock-proof, moisture-resistant, ISPM 15 certified |
| Dryer | Plastic film wrap + steel frame / wooden pallet | For large components |
| Water Squeezer | Wooden crate | Secured with padding |
| Control Cabinet & Sensitive Parts | Wooden crate + anti-static/anti-humidity | Protected against vibration, dust, moisture |
| Spare Parts, Manuals, Tools | Toolbox or carton | Placed inside main crate |
✅ All cases are labeled with part names, handling instructions, and weight specs for easy unloading.
| Line Type | Container Requirement | Notes |
|---|---|---|
| Standard DR-RT3 (Fully Automatic) | 1×20ft or 1×40ft container | Depends on dryer size |
| Semi-Automatic Line | 1×20ft container | Compact layout |
| With Optional Modules | May require extra LCL | Depends on volume |
🔧 All equipment is arranged for easy unpacking and floor layout assembly at destination.
Would you like a container load plan, packing list sample, or freight cost estimate based on your incoterm (FOB/CIF/DDP)?
The standard warranty period for the Automatic Rawhide Twisting And Drying Line (Model DR-RT3) is as follows:
✅ 12 months from:
🛡️ Extended warranty options (24 or 36 months) available upon request.
| Coverage Area | Included | Notes |
|---|---|---|
| Mechanical parts (rollers, shafts, twisting heads, gears) | ✅ Yes | Breakage, material defects, abnormal wear |
| Electrical components (motors, PLC, HMI, sensors) | ✅ Yes | Siemens, Omron, or equivalent brands |
| Robot Arms (A & B) | ✅ Yes | Servo motors, grippers, control logic |
| Dryer components (heating elements, fans, belts) | ✅ Yes | Heat-resistant parts covered |
| Cutters (Vibrating & Strip & Final) | ✅ Yes | Blade holders, drive mechanisms |
| Labor for part replacement | ✅ Yes (remote or factory technician) | On-site labor included if installation purchased |
| Shipping cost of spare parts | ❌ Not usually included | Buyer pays freight; parts free under warranty |
Would you like a warranty certificate template or assistance drafting a service-level agreement (SLA) for extended support coverage?
Yes. Most manufacturers of the Automatic Rawhide Twisting And Drying Line (Model DR-RT3) support product samples or trial batch testing before final order.
| Option | Description | Notes |
|---|---|---|
| Free Product Samples | Factory sends pre-produced twisted rawhide ropes. | Check twist density, rope thickness, and quality. |
| Trial Batch with Your Rawhide | Ship your fresh rawhide. Factory runs small trial. | Validates twist pattern and drying behavior. |
| On-site Trial Run (Factory Visit) | Visit factory for live demo with your specs. | Ideal for confirming twist speed and rope consistency. |
| Online Video Demo with Custom Sample | Factory runs your custom twist and sends video + samples. | Fast, low cost. Often free. |
Would you like me to help arrange a custom product sample trial, provide a material submission checklist, or draft a sample trial agreement to protect your design?
Yes. A reputable supplier of the Automatic Rawhide Twisting And Drying Line (Model DR-RT3) provides complete documentation as part of the delivery package.
| Document Type | Included | Purpose |
|---|---|---|
| ✅ User Manual / Operation Manual | Yes | Operation of robot arms, cutters, twisting machine, dryer |
| ✅ Electrical Schematics / Wiring Diagrams | Yes | Control cabinet, PLC, sensors, motor drives |
| ✅ P&ID (Piping & Instrumentation Diagram) | Yes (if applicable) | For dryer air flow, water squeezer drainage, compressed air lines |
| ✅ Installation Layout Drawings | Yes | Recommended spacing and flow line configuration |
| ✅ Spare Parts List | Yes | Part numbers for cutter blades, belts, sensors, O-rings |
| ✅ Maintenance Schedule & Checklist | Yes | Lubrication, blade replacement, dryer cleaning |
| ✅ Material Certificates (SUS 304/316) | Yes (upon request) | For FDA, CE compliance |
| ✅ PLC/HMI Program Backup | Yes | USB or secure download for recovery |
| ✅ Certificate of Conformity (CE/FDA/GMP) | Yes (based on configuration) | Required for export and customs clearance |
Would you like a sample document index or a preview of a user manual or electrical schematic from a real order? I can also help draft a technical document checklist for your purchase contract.
The standard response time for technical support after installing the Dog Chews Rawhide Twists Processing Line is typically very fast, especially if the supplier offers dedicated after-sales service. Here's how it usually breaks down:
| Support Type | Response Time | Availability |
|---|---|---|
| Remote Support (online/phone/video) | ✅ Within 12–24 hours (often within 2–6 hours for urgent issues) | 7 days a week, especially during first 3–6 months post-installation |
| Email Technical Inquiries | ✅ Within 24 hours | For non-urgent questions, documentation requests |
| Spare Part Support | ✅ Quotation within 1–2 working days | Express shipping offered for urgent components |
| On-Site Engineer Dispatch | 🚀 Within 3–7 days (international) | Travel time varies based on visa, flight availability, and location |
📞 24/7 phone hotline
💬 Live chat / WhatsApp / WeChat / Skype
🎥 Video troubleshooting via Zoom or Teams
📧 Email ticketing system
🛠️ Local agent support (in selected countries)
PLC or HMI parameter reset
Error code diagnostics
Mechanical jam guidance (e.g., rawhide feeding issues)
Remote program updates or backup restore
Preventive maintenance walkthrough
Free support during warranty period
Priority response within 6–12 hours for registered users
Annual service package with scheduled video inspections
Would you like a sample after-sales support policy, a spare part request form, or a service response agreement template to include in your purchase contract?
Spare parts for the Dog Chews Rawhide Twists Processing Line are typically available for fast shipment, and in some cases, locally stocked depending on the supplier's global presence or partner network.
Here’s a breakdown of what you can expect:
| Type of Spare Part | Stock Status | Notes |
|---|---|---|
| Standard Wear Parts (belts, blades, gaskets, sensors) | ✅ In stock at factory | Ready for fast air shipment (DHL/UPS/FedEx) within 1–3 days |
| Critical Electrical Components (PLC, HMI, inverter, motor) | ✅ Factory stocked or third-party fast source | Branded parts (e.g., Siemens, Delta, Omron) sourced quickly if not on hand |
| Custom Molds or Forming Heads | ⚠️ Made-to-order | Production time 7–15 working days depending on complexity |
| Large Modules or Non-consumables | ⚠️ Usually made-to-order | Shipped by sea or air depending on urgency |
✈️ Express Air: 3–7 days worldwide (DHL, UPS, FedEx)
🚢 Sea Freight: For bulky items (dryers, cabinets) – 20–40 days
🛒 Local Agent/Warehouse Support: Available in select regions (ask supplier)
Most suppliers include a starter kit of high-wear parts, which often contains:
Conveyor belt spares
Forming machine rubber rollers or seals
Teflon mesh (for dryer)
Cutting blades
Limit switches / sensors
Grease / oil
Request a recommended spare parts list for 6–12 months of operation.
Keep critical parts on-site to avoid downtime, especially for exports or remote locations.
Would you like help creating a spare parts inventory checklist or a preloaded maintenance toolkit tailored to your production capacity? I can also help negotiate free spare parts bundles as part of your machine order.
Yes, remote troubleshooting and software support are definitely available for the Dog Chews Rawhide Twists Processing Line, especially if the line is equipped with a modern PLC + HMI control system (which is standard for mid-to-high-end models).
| Feature | Availability | Description |
|---|---|---|
| Real-time video support | ✅ Yes | Via WhatsApp, Zoom, WeChat, or Teams—used to guide your operator through diagnosis and quick fixes. |
| Error code analysis | ✅ Yes | If the HMI shows faults (e.g., motor overload, temperature alarms), technicians can advise based on your screenshots or videos. |
| Live programming assistance | ✅ Yes | For adjusting parameters (speed, temperature, timing) or restoring factory settings via HMI. |
| Step-by-step PDF/Video guides | ✅ Yes | Sent for common troubleshooting tasks like belt alignment, sensor adjustment, or mold replacement. |
| Function | Description |
|---|---|
| Remote program update | PLC logic or HMI interface can be updated via USB, SD card, or remote link (TeamViewer or VNC). |
| Backup & recovery files | Provided at installation or upon request to restore original factory settings. |
| Custom parameter reprogramming | If you switch product types (e.g., twist → knot), software can be updated remotely. |
🖥️ Common PLC brands supported: Siemens, Delta, Mitsubishi
📱 HMI brands: Weinview, Siemens, Kinco
Internet connection at the control panel (or nearby laptop/tablet)
Photos/videos of machine panel and fault condition
Serial number or machine ID for reference
Reduces downtime significantly
Avoids travel cost for minor issues
Ensures long-term usability and flexible production switching
Would you like a checklist of recommended remote diagnostic tools to keep at your site, or a sample support request form template for structured communication with the technical team?
The recommended maintenance schedule for the Dog Chews Rawhide Twists Processing Line is designed to ensure optimal performance, long service life, and consistent product quality. Below is a detailed daily, weekly, monthly, and quarterly maintenance checklist tailored for production environments.
| Component | Task | Notes |
|---|---|---|
| Forming Units | Wipe down rollers and molds with food-safe cloth | Prevents rawhide buildup and jamming |
| Conveyor Belts | Inspect for debris, damage, or misalignment | Clean with warm water or approved cleaner |
| Dryer (Mesh Belt or Oven) | Remove visible residue; check exhaust vents | Clean mesh or trays daily after use |
| Control Panel (HMI/PLC) | Wipe screen, inspect for alarms | Log any fault messages for review |
| Lubrication Points (Light-use) | Check moving parts (guide rails, chains) | Apply food-grade grease if needed |
| Component | Task | Notes |
|---|---|---|
| Twisting/Pressing Mechanism | Inspect bearings, seals, alignment | Adjust or tighten loose fittings |
| Sensors & Limit Switches | Test functionality | Clean photoeyes or proximity sensors |
| Dryer Fans & Heating Elements | Clean vents, inspect for overheating signs | Tighten any loose terminal connections |
| Compressed Air System (if used) | Drain air tank moisture; check pressure | Inspect filters and hoses for leaks |
| Component | Task | Notes |
|---|---|---|
| Gearboxes & Motors | Inspect oil/grease level; listen for noise | Re-lubricate per manufacturer spec |
| Electrical Cabinet | Dust removal, tighten terminals | Use anti-static cloth; check for heat damage |
| Flavored Spray Unit / Tumbler (if any) | Deep clean tanks and nozzles | Prevent clogging and flavor contamination |
| Metal Detector / Auto Packer (if equipped) | Verify calibration with test samples | Replace worn seals or belts |
| Component | Task | Notes |
|---|---|---|
| Full Line Mechanical Inspection | Check for abnormal wear or fatigue | Replace worn parts proactively |
| PLC / HMI System | Backup control program to USB/PC | Check for firmware updates |
| Safety Devices | Test emergency stop buttons, covers | Verify interlock function |
| Performance Test | Run product output & weight accuracy test | Validate line efficiency and waste % |
Belts (conveyor, mesh)
Twisting molds or heads
Teflon sheets
Photoelectric sensors
Gearbox oil and food-grade grease
Touch screen protective film
Digital caliper & belt tension gauge
Infrared thermometer
Air blower for control cabinets
Portable grease gun
pH-neutral cleaning agents
Would you like this maintenance schedule formatted as a printable log sheet or SOP (Standard Operating Procedure) for your team? I can also help you prepare a preventive maintenance calendar with reminders.
Yes, video tutorials and detailed service manuals are typically provided by professional manufacturers of the Dog Chews Rawhide Twists Processing Line to ensure that your operators and maintenance team can confidently operate, maintain, and troubleshoot the line.
| Tutorial Type | Included | Content Covered |
|---|---|---|
| ✅ Operation Walkthrough | Yes | Step-by-step video of how to start, run, and stop the full line (including twist forming, drying, transferring, etc.) |
| ✅ Cleaning & Sanitation Guide | Yes | Proper cleaning of forming heads, conveyors, dryer mesh, and flavoring systems |
| ✅ Maintenance Procedures | Yes | Lubrication points, sensor checks, belt alignment, and safety testing |
| ✅ Troubleshooting & Reset Demo | Yes | How to handle error codes, sensor misfires, motor resets, or HMI parameter changes |
| ✅ Mold Change & Product Switching | Yes | How to replace twist rollers or configure the machine for different chew shapes/sizes |
🔧 Format: MP4 video files via USB, download link, or private YouTube link (bilingual versions often available: English + Chinese)
| Manual Type | Included | Format |
|---|---|---|
| ✅ User Operation Manual | Yes | Printed + PDF; with diagrams, safety info, settings |
| ✅ Maintenance Manual | Yes | Includes lubrication charts, wear part diagrams, replacement schedules |
| ✅ Troubleshooting Guide | Yes | Fault codes, HMI error messages, common issues and fixes |
| ✅ Electrical & Pneumatic Diagrams | Yes | Essential for in-house technicians to handle control panel and wiring |
Laminated SOPs (Standard Operating Procedures) for quick reference at each station
QR code labels on machines linking directly to related tutorial videos
Remote live training sessions via Zoom/Teams with factory engineers
Would you like a sample video tutorial list, bilingual SOP template, or help creating a training checklist for your team to standardize operator certification?
Yes, the Dog Chews Rawhide Twists Processing Line is typically designed with a modular and upgradeable architecture, allowing you to scale or enhance your line in the future as your production needs grow.
| Upgrade Option | Description | Benefit |
|---|---|---|
| Additional Cutting Units | Add precision length cutters or multi-blade systems | Enables faster shaping or diversified chew lengths |
| Advanced Forming Modules | Add new rollers, braiding heads, or knotting attachments | Expand your product portfolio (e.g., knotted bones, braids, candy canes) |
| Automated Feeding System | Upgrade to auto rawhide strip feeder | Increases line speed and reduces manual labor |
| Automatic Flavoring Unit | Integrate inline liquid spray or tumbler marination system | Improves consistency and production hygiene |
| Sterilization Module | Add UV, microwave, or steam sterilization section | Meets export or food safety regulations (e.g., FDA/CE) |
| Smart HMI/PLC Upgrade | Install advanced touch screens with recipe memory & remote diagnostics | Improves operator usability and remote support capability |
| Inline Metal Detector + Auto Packer | Add end-of-line safety and packaging system | Speeds up final packing and meets retail/export standards |
✅ Modular Conveyor Sections: Allow spacing and insertion of new machines
✅ PLC/HMI Expandability: Designed with additional I/O ports for future integration
✅ Stainless Steel Frame Standardization: Matching height and connection points across modules
✅ Pre-wired Expansion Ports: Optional (if requested at purchase)
Ask for future-proof electrical cabinet design
Leave space in your layout for expansion zones
Select HMI software that supports multi-recipe storage
Choose standardized machine widths for easier line syncing
Would you like a custom upgrade roadmap based on your current setup and 12–24 month expansion plans? I can also provide a phased investment layout to help you plan capacity growth while managing capital efficiently.
Yes, long-term service support is available, and extended warranties can be purchased for the Dog Chews Rawhide Twists Processing Line, especially when working with a reputable manufacturer or OEM supplier.
| Support Type | Availability | Details |
|---|---|---|
| Lifetime Technical Support | ✅ Yes | Free consultation via email, phone, or video chat for the full service life of the equipment |
| Spare Parts Supply Guarantee | ✅ Yes | 10+ years availability of standard and critical spare parts at factory price |
| Remote Software Support | ✅ Yes | Ongoing support for PLC/HMI updates, parameter reprogramming, and troubleshooting |
| Annual Maintenance Visits (optional) | ✅ Available by contract | Factory engineers visit your plant to inspect, calibrate, and upgrade the line |
| Warranty Plan | Duration | Coverage |
|---|---|---|
| Standard Warranty | 12 months | Covers mechanical, electrical, and control system components |
| Extended Warranty | +12 to +24 months | Can be purchased at time of order or before original warranty expires |
| Premium Support Package | Custom (1–3 years) | Includes priority remote support, discounted spare parts, annual inspection, and training refreshers |
What It Covers:
PLCs, motors, sensors, gearboxes, inverters
Welding structure (cracks/deformation)
Free replacement of defective parts (buyer covers freight after year 1)
Remote troubleshooting and technical files
Extended Warranty Contract
Service & Support Policy
Maintenance Log Templates (for warranty validity)
Extended warranty pricing depends on line complexity and module count.
Some suppliers bundle extended service into full turnkey projects or multi-line installations.
Would you like a sample extended warranty contract or help creating a long-term maintenance & support agreement with clear KPIs (response time, part delivery time, support availability)?
Explore trends, tips, and innovations in Rawhide Twisting Line. Enhance efficiency and quality with expert insights.

There is no single pet food machinery manufacturer that is suitable for every project. When choosing

Darin Machinery will participate in SuperZoo 2026, the premier pet retail and industry event in North

Making homemade dry dog food is a rewarding way to ensure your pet receives balanced nutrition

Making homemade dry dog food is a rewarding way to ensure your pet receives balanced nutrition

Making homemade dry dog food is a rewarding way to ensure your pet receives balanced nutrition

Making homemade dry dog food is a rewarding way to ensure your pet receives balanced nutrition
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We will work on the best solution & quote according to your requirements.
We will start production after getting your approval and deposit, and we will handle the shipment.
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