Suppliers
Requirement overview
The LuK Group operates with procurement market partners in practically every country in the world. Here you will find a small selection of our total range of materials and parts, for which we are currently seeking suppliers. We are also constantly seeking highly performing, flexible suppliers for operating fluids and consumables or as service partners - if you are interested please get in touch.
Band steel
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Hot rolled steel
- Grades: DD12, C10, C15, C45, QSTE380, 16MnCr5
- Thickness: 1.5 - 8,0 mm
- Widths: 50 - 1000 mm
Cold rolled steel - Grades: DC04, C10, C15, C35, C45, 16MnCr5, ZStE380, ZStE600, 58CrV4, C75 H+T, 68CrNiMo3.3
- Thickness: 0.25 - 8.0 mm
- Widths: 12 - 700 mm
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Forged parts
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Hammers and drop-forged parts
- Unit weight: from 0.05 - 20 kg
- Material: all commercial types
- Heat treatment: BY, BG
- Annealed
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Friction linings
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Friction linings, dry running
for cars, HGV and tractors. Dimensions of outer diameter 180 to 430 mm.
Friction linings, wet running
for torque converter lock-up clutches, torque converters and double clutches.
The friction linings must be free from lead, asbestos, cadmium and mercury and comply with legal stipulations.
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Aluminium die castings
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Die cast part materials
- AlSi9Cu3 - EN AC- 46000
- AlSi12 - EN AC - 44300
- AlSi12 Cu - EN AC - 47100
- AlSi12CuNi - EN AC . 48000
Weight range Requirements - Pressure-tight parts (oil tight)
- High pressure-tight parts (180 bar oil)
- Precision castings with narrow tolerances
- Parts with increased wear resistance
- Low-porosity castings
- Occasional thick-wall castings (up to 10 mm)
Part composition - Predominantly bought-in unfinished parts, some finished parts
- Supplier guarantee of analysis, porosity requirement, tolerances, strengths and other requirements from standards
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Ring gears
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Ring gears
Ring made of flat material or tube with toothing. The ring gear is the interface to the starter. - Materials: C15 and C35
- Diameter range: 250-350 mm
Mass rings
Turned ring made of flat material (rod or tube), serves to increase mass reactance. - Materials: C15 and C35
- Diameter range: 250-350 mm
Sensor rings
Turned ring made of flat material or tube with sensor toothing, senses signal for engine controller.
- Materials: C15 and C35
- Diameter range: 250-350 mm
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Injection moulded parts
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Thermoplasts / duroplasts - Sensor and receiver housings for release systems
- PA66 GF35, Grivory
- Brake Discs Ø 80 - 150 mm
- PET Compound, PEEK
- Duroplast pistons
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Elastomers
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Elastomers – Preforms - Bellows
- O rings from D = 6 (ohne mm) – 150mm
- NBR, HNBR, EPDM and FPM
- Groove gaskets
- Damping elements
- 60 - 90 Shore
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PTFE parts
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Casing gaskets - Ø 80 - 160 mm
- thermal stability
- pressure rugged
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Springs
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Clutch springs
made of oil-tempered wires - Wire diameter: 0.8 - 7 mm
- Further demand:
Compression
Springs made of patented wires or oil-hardened wires - 3 mm range
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Pressed and drawn parts
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Deep drawn parts
Guide sleeves with shaft diameter approx. 25 - 30 mm,
Length approx. 50 mm
Fine Blanking
for 800 to 1,500 t presses.
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Castings
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Castings in various forms
Materials
Weight span
- pressure plate 1,2 - 3,6 kg
- flywheels2,8 - 10,3 kg
outside diameter: 180 - 350 mm
Engineering properties:
- Heat resistance (thermoshock)
- bersting strength
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