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Liebherr - ChamferCut - LD C Series

MALAYSIA

Robert Puschmann, Managing Director

+60 3 7882 6285
Contact Email
DKSH Technology Sdn Bhd
B-11-01, The Ascent, Paradigm, No. 1, Jalan SS 7/ 26A, Kelana Jaya
47301 Petaling Jaya, Selangor Darul Ehsan
Malaysia

SINGAPORE

Kelvin Low, Senior Manager

+65 6274 1222
Fax +65 6273 1503
Contact Email
DKSH Singapore Pte Ltd
625 Lorong 4 Toa Payoh, #03-00
319519 Singapore
Singapore

THAILAND

Damrong Learttaweesak, Assistant Manager, Technical Sales, MAC

+66 2 639 7000
Contact Email
DKSH (Thailand) Limited
2106 Fantree 4 Building Sukhumvit Road,
Phrakhanong Tai, Phrakhanong 10260 Bangkok
Thailand

VIETNAM

Nguyen Van Nguyen, Engineer

+84 28 3812 5848
Contact Email
DKSH Technology
1st, 2nd Floor, Etown 2, 364 Cong Hoa Str., Tan Binh Dist.
70000 Ho Chi Minh City
Vietnam
Liebherr - ChamferCut - LD C Series

After chamfering with the patented ChamferCut technology, no additional machining is necessary. There is no need for a second cut, which is often required during the deformation-based deburring process for the removal of build-up material. With the chamfering process, the exact chamfer form is produced. In contrast to deformation-based processes, the material structure is not affected. An optimal starting point is created for the subsequent finishing of hardened gears, particularly gear honing. The quality of such chamfers defines a new standard – with maximum repetitive accuracy.

Chamfered edges of gears prevent damage during workpiece transport, heat treatment cracks and gear wear. They facilitate the assembly process and improve the tool life. Chamfering with ChamferCut delivers a high-quality chamfer with repetitive accuracy – and is more cost-effective compared to press deburring and deburring with end mills. Chamfering is very popular among car and commercial vehicle manufacturers, as well as in gear and engine manufacturing. The process can also be integrated into existing production systems.

 

 

Available models

Model Name
LD 180 C / LD 280 C
Min. workpiece (mm)
15
Max. workpiece (mm)
180 / 280
Max. workpiece weight (kg)
8 / 15
Min./max. tool (mm)
30/130
Dimensions* (L x W x H) (mm)
1,730 x 1,300 x 2,454

*Compact design: 2.25 m² of floor space If space a constrain, the control cabinet can also be set up separately

The LD 180/280 C is the most powerful and most compact stand-alone chamfering machine on the market. Workpieces with a diameter of up to 280 mm and up to module 6 mm can be chamfered down to the tooth root easily and with precision. The machine is very easy to operate, and first centring is automatic.

For increased ergonomic and simplified set-up, it is possible to swivel the chamfer hob head by 90 degrees so that the tool can be easily inserted from either operator side.

Model Name
LD 300 C
Max. module (mm)
5
Max. workpiece length (mm)
600
Max workpiece diameter (mm)
300
Max. workpiece weight (kg)
100
Max. tool diameter (mm)
120
Max. spindle speed (rpm)
1,500

Depending on the cycle time, the LD 300 C can deburr workpieces from two or more hobbing machines.

Advantages of this Machine:

  • Simple adjustment of corrections via CNC axes
  • Optimized workpiece clamping
  • Fast set-up
  • Chamfering as dry machining
  • Both-sided chamfering of the workpieces
  • Simple corrections at varying flank modifications
  • Hook-ready design for simple and fast installation
  • Cutting direction when chamfering can be chosen freely (optional)
  • Automatic loading with flexible ring loader principle (robot or gantry loading also possible)
  • Proven loading principle from LC machines
  • Flexible automation, e.g. via plastic chain conveyor
  • User-friendly entry

Key Features

  • Very precise chamfer geometry
  • Premium chamfer quality and reproducibility
  • No bulging or material deformation
  • Standard tooth-root chamfering
  • Established process in gear production
  • Very long tool life
  • ChamferCut tools can be re-sharpened approx. 20 times easily and cost-effectively
  • Lower tool costs compared to alternative processes
  • Short amortization period due to low tool costs
  • Applications for gears with module 0.8-42 mm
  • 2nd cut not needed for gear hobbing - longer tool life for the hobbing tool
  • Short setup time

  • Machinery & Manufacturing
Liebherr-VerzahntechnikLiebherr-Verzahntechnik GmbH, founded in 1969, is one of the leading manufacturers of machine tools and automation systems. The company offers an extensive product program of machine tools and machine automation systems for economic manufacture of gearing products. The company supplies gearings, gearboxes, and slewing bearings to leading worldwide manufacturers.

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[Liebherr, Cutting, Gear cutting, Chamfering, ChamferCut, LD C]

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