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Micro internal helical gear

Micro internal helical gear 

Material : SS316L 
Size : Number of teeth 39, Pressure angle 20°
Module : 0.2 mm 
Tolerance : ±0.03 mm
Weight : 2.0 g

In μ-MIM® small gear production, no machining tool is required but a mould, thus stable high-quality micro gear serial production is achieved. The smaller gear is more difficult to assure high quality. We have developed our original quality analysis system consisting of measurement X-ray CT, SEM and high-end optical measurement system. Importantly, the measured data will be analysed using our original analysis software to compare with the 3D drawing data to indicate the pitch error, tooth line etc.
MIM nozzle

MIM nozzle 

Material: 17-4PH/SS 630
Tolerance: +/- 0.02 mm
Weight: 0.8 g
Size: 4.6 * 4.0 * 15.0 mm

This nozzle is an OEM part and has an internal hollow structure shape which requires the sharp edge in exterior design, and complicated step design in interior design. In case of machining production, it is required to chuck a position change several times to complete the internal flow structure forming. Our micro metal injection moulding technology will realise small complicated design nozzle serial production without any post machining process, thus not only the tight tolerance requirement but the positional accuracy will be satisfied. From this part, the smallest hole diameter is 0.7 mm and the tightest tolerance requirement is ±0.02 mm. At the inlet side, there are external thread lines for assembly, and these lines are formed in metal injection moulding process. In nozzle production, not only the external but also the internal structure tolerance is important to satisfy the nozzle specification.

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