Production capabilities

Gear Wheels Manufacturing

Manufacturing of gear wheels and pinion shafts

Cylindrical gears with straight or diagonal gearing, pinion shafts up to the max. length of 600 mm,
with or without ground gearing.

Gearing Parameters:

• Module size 1 - 7 mm, with 30 - 320 mm accuracy level for 6 DIN ground gearing
• Longitudinal and traverse tooth shape modifications

The quality and accuracy of machining are achieved by machine grinding of gearings Gearspect CNC , Reishauer.

Turning on CNC Centres

Lathes made by KOVOSVIT MAS a.s. Sezimovo Ústí, suitable for effective machining of small and bigger turned parts.
Optional milling operations when combined with driven tools.

Technologies:

• CNC turning with the optional milling operations using driven tools and machinery types SP 280 Y. SPU 20

Basic Parameters:

• Spindle with the maximum capacity for bar stock equal to 65 mm
• Axis X, Y, Z, C, Max. Ø turning 200 mm, Max. length 700 mm

Control System:

• HEIDENHAIN CNC PILOT 4290
• SIEMENS  

Accuracy level:

• IT 7

Milling and Shaping of Gearing by the Self-Generating Method

Technologies:

• Classic metal cutting using machinery OFA 32A, OFA 16A, OFA 71A, OHA 50A, OHO 20
• aplikace nástrojů FETTE

Manufacturer:

• TOS Čelákovice

Basic Parameters:

• Max. diameter of milled wheel 320 mm
• Max. Module 7
• Max. Tooth pitch angle 45°

Accuracy level:

• Gearing DIN 8

Round Grinding, Hole Grinding, Surface Grinding, Hole Honing

Technologies:

• Classic machine grinding technology BUA 25/1000, BUB 40/1000, BDA 80, BDA 250, BPV 300, BPF 320A, BPH 20
• Hole honing using machinery ML 2000

Manufacturers:

• TOS Holice
• ČZ Strakonice
• TOS Holoubkov
• TOS Hostivař
• Sunnen

Basic Parameters:

• External grinding diameter 300 mm
• Max. lenght 600 mm
• Ground hole depth 120 mm

Accuracy level:

• IT 6, IT 5, Partially  IT 4

Grinding of Gearings on Grinders

Technologies:

• CNC Grinding of Gearings
• GEARSPECT CNC 8, GEARSPECT CNC 7, REISHAUER RZ 300E, MAAG HSS 10

These are new contemporary manufacturing grinders for grinding of gearings with up to 8 controlled axes. The process works on the principle of progressive grinding of gearings with the self-generating method with simultaneous tangential movement of the workpiece.

Basic Parameters:

• Modules 1-7 mm
• Minimum thrust by 10 mm
• Max. head on a ground wheel 320 mm
• Maximum tooth pitch angle 45°
• Longitudinal and traverse tooth modification
• Workpiece weight up to 30 kg

Control System:

• SCHNEIDER ELEKTRONIC NUM 1060 HG
• SIEMENS

Accuracy level:

• DIN 6, DIN 5. Limited extent DIN 4

Precision Check, Assessment of Shapes, Circularity and Machining

Every measurement gauge is subject to regular calibration service and its accuracy level ensures reliable inspection of the technologies listed below:

• Maag SP 60 CNC, IMZ 50, DO 3
• Defectoscopic check
• Coordinate measuring equipment SMS IMS Ferranti, SMS DEA-Mistral, SMS IMS - IMPACT I/II
• Profilometer and coarseness gauge MAHR - Perthometr
• Length gauge ZEISS ULM 600
• Height and internal gauges
• Circularity TALYROND 3

Heat Treatment of Parts

The heat treatment of parts is conducted using the equipment listed below:

• The multipurpose hardening plant AICHELIN
• The multipurpose furnace plant SOLO CTB 202 - 40/40/60
• The vacuum hardening plant KOOP 200 VHZ
• The continuous furnace SAFED 30T - Ti