Retail and display buyers increasingly specify plastic gears, bearings and wear parts instead of metal, wood or glass. Here is where they are used, why they work, and what to watch out for.
This guide is written for engineers, purchasers and project managers who need a practical answer, not a resin data sheet.
This category covers a family of products rather than a single item. In practice a buyer defines plastic gears, bearings and wear parts by three things: the base resin, the format or dimension, and the performance or certification level it has to meet. Typical options in this category include backlash controlled assemblies; bore tolerance H7 to H9; PTFE and oil filled compounds. Materials most often specified are Polytetrafluoroethylene, Polyether Ether Ketone, Polyoxymethylene, UHMWPE, and the choice between them changes stiffness, temperature resistance, chemical behaviour and price.
In the retail and display sector the decision is usually driven by optical clarity and printability, with scratch resistance as a secondary requirement. Typical end uses include signage, point of sale displays, light boxes.
The table below summarises the values that usually decide the material choice.
| Material | Density | Tensile strength | Service temperature |
|---|---|---|---|
| UHMWPE | 0.93-0.94 g/cm³ | 30-45 MPa | -150°C to 80°C |
| Polyether Ether Ketone | 1.32 g/cm³ | 90-100 MPa | -50°C to 250°C |
| Polytetrafluoroethylene | 2.15-2.20 g/cm³ | 20-35 MPa | -200°C to 260°C |
Polyoxymethylene is frequently the default selection here: POM is the standard replacement for small metal parts that must hold tight tolerances.
In the retail and display sector, these are the applications where this product has proven itself.
Beyond the base resin, most suppliers offer UV stabilised, food contact, flame retardant, anti-static and recycled content versions of the same product. Ask which additive package is included, because it is often the difference between a part that lasts three years and one that lasts ten.
Processing method drives both cost and performance, so it should be fixed early in the design.
Secondary operations such as printing, welding, machining and assembly are often cheaper to do in the same factory, and they reduce the risk of mismatch between components.
Work through these points in order and most specification mistakes disappear.
Send this list to your supplier with the drawing and you will receive comparable quotations from every factory you contact.
Standard packing is export cartons on fumigation-free pallets, with custom labelling, barcode and retail packing available. We also handle consolidated containers and door to door delivery.
Colour is controlled with a masterbatch reference approved by the customer, and every production lot is checked against the approved sample under standard lighting before shipment.
Standard production tolerance follows the relevant ISO or DIN tolerance class for the process; tighter tolerances are possible after machining or grinding, but they add cost. Define the tolerance only on the functional dimensions.
Yes. {mat1} is one of our regular materials for this item, and we can supply virgin, modified and certified grades with full traceability. Material certificates and test reports are issued per batch.
A new tool typically takes 25 to 45 days depending on cavity count and complexity, followed by T1 samples within one week. Existing tools can usually start production within 10 to 15 days of order confirmation.
Our team supplies plastic gears, bearings and wear parts to retail and display customers worldwide, with samples, material certificates and full inspection reports available before mass production.
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