Injection Moulding Machine for Litter Trays
Litter trays are made on large horizontal injection moulding machines, mostly from PP copolymer or HDPE, sometimes with recycled PP. The flat footprint, not the light part weight, sets the clamping force, and mould height grows with rim depth. Warpage control matters most: a tray that bows as it cools will rock on the floor.
Machine selection for litter trays follows projected area, mould size and the opening stroke needed for high-rim versions. Pratishna Engineers supplies horizontal and two-platen injection moulding machines for litter tray production and can recommend a configuration for your tray size and mould.
Manufacturing Litter Trays?
Share your tray dimensions, rim height, material and monthly volume, and Pratishna Engineers will recommend a suitable machine.
Machine Requirements for Litter Tray Moulding
A litter tray is a big, shallow part that has to stay flat and clean easily, so selection looks at:
- Clamping force sized to the full flat projected area
- Platen space and mould height for wide tray tools
- Balanced cooling across the base to prevent warpage
- Smooth surfaces and generous corner radii for easy cleaning
- Resistance to urine, ammonia and cleaning agents over years
- Stable melt when running recycled PP blends
Recommended Machine for Litter Trays
Smaller cat trays fit the H Series (120-350 T), and the Two-Platen PHM Series (160-350 T) gives the platen space wide tray moulds need. C Series (140-320 T) machines suit compact trays. Large and high-rim trays can need more clamping force than these ranges give, and Pratishna Engineers discusses those sizes on request.
Not Sure Which Machine You Need?
Send your tray drawing and mould size to check clamping force and platen fit.
Why Choose Pratishna Engineers?
- Application-Based Machine Selection
- In-House Engineering & Manufacturing
- Multiple Machine Series
- Production-Focused Solutions
- End-to-End Technical Support
- Industry-Specific Solutions
- Machine Lifecycle Support
Injection Moulding Machine Buyer Resources
Download practical resources to help you select, size and specify the right machine.
Horizontal Injection Moulding Machine Selection Guide
A step-by-step guide covering the key inputs needed to select the right machine: product weight, projected area, number of cavities, plastic material, required clamping force, shot / injection capacity, mould dimensions, production quantity, cycle time and automation requirement.
Download PDFPDF · 265 KB
How to Calculate Clamping Force for an Injection Moulding Machine
A clear methodology that explains how clamping force is calculated, covering projected area, injection pressure, safety factor, number of cavities and material considerations.
Download PDFPDF · 363 KBPet Care Components & Machine Guide
A guide to Pet Care components, covering pet bowls, toys, litter trays, scoops, feeder hoppers, fountain housings, carrier fittings and collar hardware. It explains PP, food-contact use, large flat parts, small hardware, and how to match each part to a suitable machine.
Download PDFPDF · 206 KB
FAQs / Buyer Questions
What tray makers usually want to know before sizing a machine.
Which Injection Moulding Machine Is Used to Make Litter Trays?
Tonnage depends on the tray footprint. Small trays sit in the H or PHM Series, compact ones can run on the C Series, and the largest trays need more clamping force than these series give, so they are reviewed on request.Why Does a Litter Tray Warp?
A thin, wide base cools unevenly, especially near the gate and at thick corners, and PP shrinks differently along and across the flow. Balanced cooling channels, even walls, ribs under the base and enough cooling time keep the tray flat.Can Recycled PP Be Used for Litter Trays?
Yes, recycled PP is often used for trays. Melt flow and colour vary between lots, so check each lot, set a blend ratio with virgin PP and expect to adjust process settings. Odour and contamination are worth testing too.
Are High-Rim and Hooded Trays Made in the Same Mould?
No. High-rim and hooded versions are separate tools. A higher rim adds part depth, so the machine needs more opening stroke and mould height, and the hood is moulded as its own part.Can Pratishna Recommend a Machine for My Litter Tray?
Yes. Share the tray drawing, length, width and rim height, material and any recycled content, mould dimensions and monthly volume. Pratishna Engineers will check clamping force and platen size before suggesting a machine.Does the Machine Suit Other Pet Care Parts Too?
Yes. The same machines can mould litter box hoods, large dog bowls, feeder bases and carrier door frames, subject to the mould size of each part.
Technical Disclaimer
Disclaimer: The information provided in this webpage is for general informational and educational purposes only. It is based on technical references and industry information available at the time of preparation and may be subject to change. It does not constitute engineering, technical, commercial or professional advice, nor does it constitute a quotation, specification, warranty or contractual commitment by Pratishna Engineers.
Actual injection moulding machine and process requirements vary according to the component design, material, mould, production volume, machine configuration and operating conditions. The information, examples, calculations and recommendations provided should be independently evaluated and verified for the specific application before making any equipment, process or production decision. Information obtained from third-party sources remains subject to the accuracy and limitations of those sources.
Limitation of Liability: Pratishna Engineers makes no representation or warranty, express or implied, regarding the completeness, accuracy or suitability of the information for any particular application. To the extent permitted by applicable law, Pratishna Engineers shall not be liable for any loss, damage, cost or consequence arising from reliance on or use of the information contained in this webpage. Final machine selection, configuration and application suitability should be confirmed with Pratishna Engineers based on complete and accurate project requirements.
Talk to Our Engineers
Planning a New Injection Moulding Project?
Share your component, material, mould and production target. Our engineering team will help you identify the right machine configuration.
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