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Shaving Cutters

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Shaving cutters are used for finishing in a small amount of gear tooth surface after processing with hob and shaper cutter.
Among the four types of processing (1. Conventional, 2. Diagonal, 3. Underpass, 4. Plunge cut), plunge cut is most popularly applied in production line of 4 wheel vehicles and 2 wheel vehicles gear for its efficiency and long life.
Our lineup in Super Coat Shaving Cutter, Fine Pitch Shaving Cutter have demonstrated superior improvement in tool life and work piece teeth precision.

Super coat shaving cutter

Feature

  • Superb abrasive wear resistance >>>> HIGH HARDNESS surface treatment maximizes tool performance
  • Roughness of serration largely unaffected by treatment
  • Minimized distortion of serration depth
Super coat shaving cutter

Example of processing

Work piece : m2.7 PA20° 68T
HA 28° RH Φ116
Tooth width 36 18CrMo4
Cutter : 79T Φ225
MACH3 +Super Coat

Fine pitch shaving cutter

Example of processing

Extension of tool life and cost reduction with Fine pitch + material change + Super coat SVC

Work piece : m1.7 PA17.5° HA36° NT45°
Cutter : NT113 HA2°
Measure for improvement: High rigidity, fine pitch, super coating
Cutting condition: Rotational speed 220 rpm, feed amount 0.4 mm/min T1:2 T2:4 T3:4 BM:0.02 Plunge

Processed tooth surface with SVC of other manufacturer
(wear after processing 1500 units of work piece)
Processed tooth surface with SVC of other manufacturer(wear after processing 1500 units of work piece)

Tooth profile
Tooth profile

Tooth lead
Tooth lead

Processed tooth surface with Fine Pitch SVC
(wear after processing 5500 units of work piece)
Processed tooth surface with Fine Pitch SVC(wear after processing 5500 units of work piece)

Tooth profile
Tooth profile

Tooth lead
Tooth lead

Processing by shaving cutter

Adjust the crossed axes angle of a work piece processed with shaving cutter, hob and shaper cutter at 5° to 15° and rotate after engaging the gear; sliding motion of the tooth surface enables fine finishing with only a slight amount of cutting.
Most popularly applied in production line of auto mobiles and construction machinery gear for its cost efficiency.
However, processing is performed only before heat treatment. (profile grinding after heat treatment)

■ Conventional processing

■ Underpass processing

Move the cutter from the lower location colored in blue to the upper location colored in red; contact point moves from left to right and enables the processing of the entire tooth Cutter and work piece interfere to one other with conventional processing as tooth is adjacent to a work piece and therefore, enough crossing angle is not possible.

■ Diagonal processing

Move the cutter to the arrow direction colored in red; If fed in diagonal direction, meshing point will move from right edge A to left edge B of a work piece.

■ Plunge processing

Sharpening method

Shaving cutter grinder ZA30A

Shaving cutter grinder ZA30A

■Products Page

contact

Business contact: Strategic Sales Operation Department
Phone: +81-77-552-9760

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