Die-Cast Transmission Gears
Die-cast aluminium transmission gears with machined tooth faces, for gearbox and actuator applications.
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Die Casting Parts
Die-Cast Gearbox Covers
Die-cast gearbox covers and end housings, machined at the joint face and at the bearing locations.
| Clamping force | 160 – 1250 T, per machine |
|---|---|
| Part weight | 50 g – 25 kg |
| Alloy | ADC12, A380, ZAMAK-5, A356 — supplied with material certificate |
About this part
What it is and why it is made that way
The cover is the part of a gearbox that closes it, so it has to seal and it has to carry the bearing it supports. Die casting gives it the ribbed, stiff shape at low cost, and the joint face and bearing location are machined so the gearbox closes properly and the shaft runs true.
- Stiffened rib pattern cast integral
- Joint face machined flat for a reliable gasket line
- Bearing location bored to the specified fit
- Deburred and shot blasted before packing
Materials
- ADC12 / ADC3 aluminium
- A380 aluminium
- ZAMAK-5 zinc alloy
- A356-T6 aluminium
- Magnesium alloy
Production processes
- Cold-chamber die casting
- Hot-chamber die casting
- High-pressure die casting
- CNC trimming and milling
- Shot blasting and leak testing
Typical applications
- Gearbox end covers
- Bearing end housings
- Motor end bells
- Access covers
Specification
Technical detail
The ranges below are what this shop typically holds. Anything tighter than the baseline is possible — send the drawing and we will confirm it against your specific tolerances rather than quote from a table.
| Clamping force | 160 – 1250 T, per machine |
|---|---|
| Part weight | 50 g – 25 kg |
| Alloy | ADC12, A380, ZAMAK-5, A356 — supplied with material certificate |
| Secondary operations | CNC milling, tapping, insert assembly, leak test |
| Dimensional | ±0.05 mm on machined faces; ±0.3 mm as-cast |
| Joint face flatness | ≤0.10 mm |
| Bearing bore | H7, to drawing |
| Part weight | 100 g – 6 kg |
Material and finish are yours to choose. The lists above are the families this part is normally made in. We will not substitute a grade or change a tolerance without telling you first — and asking.
In the same process line
Other Die Casting parts
If this is not quite your part, these are made on the same equipment with the same inspection.
Die-Cast Gearbox Housings
Die-cast aluminium gearbox housings with the bearing seats and mounting faces machined after casting.
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Die-Cast Pump & Gear Housings
Die-cast aluminium pump and gear housings with integral ribs, cast in one shot and machined to the drawing.
View specificationsDetails
Get a quote for this part
Send the drawing and we will quote it against your material, your tolerance and your quantity. One business day, in writing, with a lead time you can plan around.