Hardened and ground straight toothing

NST cremagliere passo modulare

Quality: 6h23 DIN 3962/63/67
Material: C45 UNI EN 10027-1
Toothing execution: induction hardening and ground HRC 54-58.
Toothing specifications:

  • Pressure angle α=20°;
  • Helix angle ß=0°
  • Helix direction= /

fp single pitch error: module < 3,0: 0,006 /module ≥ 3,0: 0,008

Fp total pitch error:
depending on rack length (see table)

The Molinati NST Series precision gear racks with modular pitch Q6 are produced in variable length (499.5 to 1017.8 mm) and module (1.5 to 6) and represent the international standard for hardened and ground straight toothed gear racks.
The toothing hardening is carried out according to specific parameters and the entire production process is monitored to ensure maximum quality and efficiency for the customer.
The use of pinions on straight toothed NST series racks ensures fast, precise and silent linear movements in industrial machinery of every sector.

NST cremagliere passo modulare

All amounts are expressed in [mm]
NST cremagliere passo modulare

pt: tangent pitch - Z: number of teeth - N: number of holes - d3: predrilled holes for pin

Please note: An assembly rack (available separately) is required upon installation to enable correct positioning of two consecutive gear racks. - The pinion can be provided upon request.

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