Injection Moulding Machine for Clipboard, Display Book and Folder Fittings
Clipboard, display book and folder fittings are made on horizontal injection moulding machines from PP copolymer, PS or ABS, while the board or cover itself is extruded or die-cut sheet. Machine size follows part length and parts per mould. Colour match matters most, since the moulding must match a sheet made in another resin.
Machine selection for these fittings focuses on living hinge filling in PP copolymer and steady colour from shot to shot. Pratishna Engineers supplies horizontal injection moulding machines for clipboard and folder fitting production and can recommend a configuration from your parts and moulds.
Moulding Folder Fittings?
Share your fitting drawings, sheet colour reference and material, and Pratishna Engineers will recommend a suitable machine.
Machine Requirements for Clipboard, Display Book and Folder Fitting Moulding
These fittings are small mouldings that have to fold, grip and match the sheet they are fixed to. Check the machine for:
- PP copolymer filled across living hinge spine sections
- Gate placed so flow crosses each hinge line
- Steady colour against extruded sheet in another resin
- Masterbatch dosing held constant shot to shot
- Clip mechanism spring arms with stable shrinkage
- Family moulds for ring housings, corners and tabs
Recommended Machine for Clipboard, Display Book and Folder Fittings
Most fittings are small to medium mouldings, and the E Series (75-180 T) covers many clip, corner and hanging tab tools. Long spine fittings, ring housings in multi-cavity moulds or family tools that carry several fittings at once call for a bigger platen and shot. For those tools, the C Series (140-320 T) and H Series (120-350 T) give the platen size and shot weight needed.
Not Sure Which Machine You Need?
Send your fitting set and colour reference for a machine recommendation.
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 KBStationery Components & Machine Guide
A guide to Stationery components, covering pen barrels, caps, refills, markers, rulers, sharpeners, clips, ID card holders and desk tools. It explains high-cavity hot runner moulds, clear parts, small mechanisms, and how to match each part to a suitable machine.
Download PDFPDF · 204 KB
FAQs / Buyer Questions
What filing product makers usually want to know.
Which Injection Moulding Machine Is Used to Make Clipboard, Display Book and Folder Fittings?
Small clips, corners and tabs usually run on the E Series. Long spine fittings and multi-cavity ring housing moulds go to the C or H Series when mould length or projected area outgrows the E Series.Which Parts of a Clipboard or Display Book Are Moulded?
The clip mechanism, spine fittings, ring housings, corner protectors and hanging tabs are moulded. The board or cover is extruded or die-cut sheet, which sits outside the moulding quote.Why Is PP Copolymer Used for Spine Fittings?
Spine fittings often carry a living hinge that folds many times. PP copolymer takes that flexing without cracking, provided the hinge is gated so flow crosses it and the part is flexed soon after ejection.
How Is Colour Matched Between Fittings and the Sheet?
Sheet and moulding are often different resins, so one masterbatch can give two shades. Colour is matched on moulded samples under agreed light, then masterbatch ratio, melt temperature and regrind level are held steady.Can Pratishna Recommend a Machine for My Folder Fittings?
Yes. Share drawings or samples of each fitting, the sheet colour reference, material, mould sizes and output, and Pratishna Engineers will suggest a machine.Does the Machine Suit Other Filing and Office Stationery Parts Too?
Yes. Similar machines can mould file and folder clips, ID card holders, stapler parts and tape dispenser housings, depending on the tool.
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.
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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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