The APU Drill Chuck Holder is a high-precision integrated tool holder widely used in CNC milling machines, machining centers, and high-speed drilling applications.
Products Description
Constructed from premium alloy steel, the APU Drill Chuck Holder undergoes rigorous heat treatment and precision grinding to achieve high wear resistance, structural toughness, and long-term dimensional stability.
Integrated Design: Eliminates intermediate connections for enhanced rigidity and runout accuracy.
Self-Tightening Mechanism: Automatically increases gripping force as cutting torque rises.
Balanced Performance: Dynamically balanced for high-speed machining.
Working Principle
The operation relies on a mechanical self-tightening friction principle:
Clamping Action: Jaws advance along the tapered internal thread to grip the shank.
Auto-Locking under Load: Torsional resistance causes the jaws to clamp down tighter, preventing slippage under heavy loads.
Quick Release: Reversing the sleeve rotation allows fast, tool-free bit changes.
Technical Parameters
|
Size |
D (mm) |
L (mm) |
Capacity |
|
SK30-APU8-80 |
38 |
80 |
1-8 |
|
SK30-APU13-120 |
48 |
120 |
1-13 |
|
SK30-APU16-130 |
53 |
130 |
3-16 |
|
SK40-APU08-85 |
38 |
85 |
1-8 |
|
SK40-APU13-100 |
48 |
100 |
1-13 |
|
SK40-APU16-110 |
53 |
110 |
3-16 |
|
SK50-APU8-75 |
38 |
75 |
1-8 |
|
SK50-APU13-100 |
48 |
100 |
1-13 |
|
SK50-APU16-100 |
53 |
100 |
3-16 |
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