Master gears

Ensure the quality of your products: Quickly inspect gears and check their working accuracy – thereby guaranteeing quality assurance. This is part of securing the future of every company and decides over success on the market; however it also has to be commercially viable and profitable.

Master gears are used in single and double flank gear rolling inspection as test gears. Frenco are now introducing the new generation of master gears. “Pure perfection” for single and double flank gear rolling inspection, which can be integrated into your production process at low cost and little time.

  Master gear conforming
to standards
  H_LZR_unbesch

Special designs,
shown here: master worm

  Lehrschnecke


Materials and coatings:
Several types of steel are available as base material for master gears. Wear resistance increases from chrome steel CS, to tool steel TX and finally to powder high speed steel SX.
In addition, coatings protect the surface against wear. Coatings are considerably harder than any steel and at the same time act a rust protection.

H_LZR-besch
  CO-coated master gear
Hardness: HV 3000


As the coating process is conducted at high temperature, the base material to be coated has to be suitable for these temperatures. TS and SX steel are coatable. The best cost-performance ratio for normal requirements offers TS. Coated SX is the ultimate wear resistance for maximum requirements in high volume productions..

 Material
 coatable
 HRc
 Gauge steel LS no 60-62
 Chrome steel LS
  yes,
from module 1
60-62
 Tool steel TS
 yes 61-63
 Powder HSS SX
yes
63-65


Wear test:
Master gears are subject to wear during use. Master gears can normally be reground. FRENCO are offering regrinding services. Further information is available on request.

Brochure:
Our current brochures about 'Master gears' you can download here.
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FRENCO GmbH –
for more than 30 years an expert in
the gear and spline measurement.