HSK needle roller type strong milling cutter handle, industry code HC, standard DIN69893, relies on built-in multi column needle roller extrusion C-type strong cylinder clamp to hold straight shank milling cutter, which is the preferred clamping handle for heavy cutting in HSK system.
HSK-A (most universal)
Equipped with automatic tool changing slot and end face transmission key, supporting mechanical arm tool changing and high torque bearing capacity; Lijia, Five Axis, Longmen Mainstream (HSK50A/63A/100A)
| Size | d | D | L | Capacity |
| HSK63A-HC20-100 | 20 | 50 | 100 | 3–16 20 |
| HSK63A-HC25-100 | 25 | 59 | 100 | 3–20 25 |
| HSK63A-HC32-120 | 32 | 70 | 120 | 3–25 32 |
| HSK100A-HC20-105 | 20 | 50 | 105 | 3–16 20 |
| HSK100A-HC25-105 | 25 | 59 | 105 | 3–20 25 |
| HSK100A-HC32-120 | 32 | 70 | 120 | 3–25 32 |
Key technical parameters
1. Accuracy indicators
Radial runout: Standard at 4D 0.005mm, high-end precision models 0.003mm
Dynamic Balance: Factory Standard G6.3 15000rpm Precision machining can be customized with G2.5/G1.0
Requirements for tool handle: It must have a precision of h6 and no scratches or bumps on the handle, otherwise it is prone to slipping and excessive jumping
Repetitive positioning accuracy: 0.002mm
2. Clamping range&torque (universal specifications)
Mainstream clamping diameter: 6/8/10/12/16/20/25/32mm
3. Common overhang length
HSK63A：80/90/100/105/120/130/160mm
HSK100A：100/120/160/200mm
Standard center outlet structure, supporting up to 100bar high-pressure cooling.
Applicable processing scenarios
1. Mold steel re opening coarse: 718, S136, Cr12MoV, P20 large cutting depth and high feed milling
2. Difficult to cut materials: stainless steel, titanium alloy, high-temperature alloy, cast iron heavy duty surface milling, square shoulder milling
3. Large diameter cutting tools: rough skin milling cutter, corn milling cutter, extended end milling cutter
4. Compatible machine tools: HSK-A spindle vertical machining center, five axis linkage machine tool, gantry milling machine
Precautions for use
1. Clean the cone surface and clamping iron chips before installing the knife to avoid excessive jumping
2. Lock the pressure cap with standard torque and prohibit violent tightening to damage the needle roller assembly
3. Long term 24 hour heavy cutting, regular disassembly and cleaning of rolling needles, and addition of lubricating grease
4. For deep cavity interference avoidance, choose the ultra-thin and elongated HC handle, and for short and rigid working conditions, choose the 80 90 short version
5. Regularly replace the triple sealing ring to prevent cutting fluid from infiltrating and corroding the needle rollers
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Tel: +86 534 425 1888
Mob/WhatsApp/Wechat: +86 137 9138 1619
E-mail: jacksun@ht-tools.net
Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100
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