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Dead centers

Solid dead center (fixed center) is essential workholding accessory for lathes and cylindrical grinders. It features Morse taper shank to fit tailstock sleeve, with fixed carbide tip without internal bearing rotation. It supports long shaft workpieces together with spindle chuck to guarantee high concentricity for precision turning and grinding.

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Dead center

Order No.	MS.NO.	D	L	Wt(kg)	Accuracy
Order No.	MS.NO.	(mm)	(mm)	Wt(kg)	(mm)
DG1	MS1	12.065	80	0.057
DG2	MS2	17.780	100	0.150
DG3	MS3	23.825	125	0.334
DG4	MS4	31.267	160	0.746	0.010
DG5	MS5	44.399	200	1.862
DG6	MS6	63.348	270	4.925
DG7	MS7	83.061	360	8.620

Core Working Principle

1. Insert the Morse taper shank into the lathe tailstock sleeve and lock it securely.

2. Drill a standard 60° center hole on the workpiece. Clamp one end of the workpiece with the spindle chuck, and press the center hole at the other end tightly against the carbide tip of the dead center.

3. The spindle drives the workpiece to rotate while the dead center remains stationary. Supported and restrained by the carbide tip, radial displacement of the workpiece is limited, which improves the dimensional accuracy and cylindricity of the outer circle of shaft workpieces.