Description

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The Morse Taper Adapter with Drawbar is a high-precision tool holder designed for connecting Morse taper shank tools with CNC machines, milling machines, drilling machines, and machining centers.

Products Description

Precision Morse Taper Design

The adapter features a standard Morse taper structure with precision-ground taper surfaces, ensuring accurate alignment between the tool holder and machine spindle. The high-precision fit improves concentricity and machining accuracy.

Drawbar Locking System

Equipped with a threaded hole for drawbar connection, the adapter can be securely pulled and locked into the machine spindle. The strong axial clamping force prevents tool loosening during high-speed machining.

High Rigidity and Stability

Manufactured from high-quality alloy steel and processed with heat treatment, the adapter offers excellent hardness, wear resistance, and structural strength. It is suitable for demanding machining environments requiring high rigidity.

Excellent Vibration Resistance

The optimized taper design provides a stable connection between the spindle and tool holder, reducing vibration and tool runout while improving surface finish and extending tool life.

Working Principle

The Morse Taper Adapter with Drawbar works through a combination of taper fitting and drawbar clamping technology.

1. Taper Positioning

The Morse taper shank is inserted into the machine spindle taper hole. The precise taper contact creates a self-centering effect, providing accurate positioning and a rigid connection.

2. Drawbar Clamping

The drawbar is screwed into the threaded hole at the rear of the adapter. When tightened, the drawbar generates axial pulling force, firmly securing the adapter inside the spindle.

This locking method:

Prevents tool holder movement

Improves machining stability

Reduces vibration during cutting operations

3. Torque Transmission

During machining, the spindle rotation torque is transmitted through:

Machine Spindle → Morse Taper Interface → Adapter → Cutting Tool

The large contact area of the taper surface ensures efficient torque transmission and stable cutting performance.

Technical Parameters

Size	Drawbar Thread (M)	MT. NO.	D	L
SK30-MTA1-50	M6	1	25	50
SK30-MTA2-65	M10	2	32	65
SK30-MTA3-80	M12	3	40	80
SK40-MTA1-50	M6	1	25	50
SK40-MTA2-50	M10	2	32	50
SK40-MTA3-70	M12	3	40	70
SK40-MTA4-95	M16	4	48	95
SK50-MTA1-45	M6	1	25	45
SK50-MTA2-60	M10	2	32	60
SK50-MTA3-65	M12	3	40	65
SK50-MTA4-95	M16	4	48	95
SK50-MTA5-105	M20	5	63	105
SK60-MTA3-65	M12	3	40	65
SK60-MTA4-95	M16	4	48	95
SK60-MTA5-105	M20	5	63	105
SK60-MTA6-170	M24	6	85	170