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Metric

Centering Clamp, Small Bore, 3 Point Contact

Home > Products > Metric > Special Use Clamps > Centering Clamps > Centering Clamp, Small Bore, 3 Point Contact
Small Bore 3 Point Contact Center Clamps (PDF 482.00 KB)

Specifications

Centering Clamp, Small Bore, 3 Point Contact

Double Acting

Bore clamp with 3 points for concentric positioning of the ID of a bore, internal clamping expands radially to center the bore.
The clamping points retract for easy loading.
Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel.
Positional repeatability of +/- 0.02.
Compact design keeps the cylinder out of the way and below the part.
May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down access to porting when mounting.
Fits bore sizes from 25 mm to 55 mm.

Model No.	Clamp Force at 350 Bar (kN)	Clamping Points	Clamping Range Ø (mm)	Repeatability ± (mm)	Weight (g)	Centering Clamp Adapter
Specifications
Double Acting (D/A) Cylinders actuated hydraulically both directions.
41-5821-01	14	3	25 - 29	0.02	441	41-5820-00
41-5821-11			28 - 32		449
41-5821-21			32 - 36		460
41-5821-31			36 - 40		575
41-5821-41			39 - 43		591
41-5821-51			42 - 46		607
41-5821-61			45 - 49		624
41-5821-71			48 - 52		641
41-5821-81			51 - 55		660

Dimensions

Centering Clamp, Small Bore, 3 Point Contact

Double Acting

Model No.	A	B	C	D	E	F	G	H	J	K	L	M	N	P	Q	R	S	T
Dimensions
41-5821-01	24	11.3	24.5	15.994 15.983	40	M6-1.0x .12	8	6	66.5	45	45	27	62.5	2.6	4	16.8	3	12
41-5821-11			27.5
41-5821-21			31.5
41-5821-31	35		35.5						65				57
41-5821-41			38.5
41-5821-51			41.5
41-5821-61			44.5
41-5821-71			47.5
41-5821-81			50.5

Force Table

Cavity

Model No.		A	B	C	D	E	F	G	H	J	K
Dimensions
2PT	3PT	A	B	C	D	E	F	G	H	J	K
41-5821-00	41-5821-01	20.5	16	.018	8	1.3	6	3	7.7	1.1	16.8
41-5821-10	41-5821-11
41-5821-20	41-5821-21
41-5821-30	41-5821-31
41-5821-40	41-5821-41
41-5821-50	41-5821-51
41-5821-60	41-5821-61
41-5821-70	41-5821-71
41-5821-80	41-5821-81
41-5821-90	41-5821-91	20.5	16	.018	8	1.3	6	3	7.7	1.1	16.8
41-5822-10	41-5822-11
41-5822-40	41-5822-41
41-5822-60	41-5822-61	30	25	.021	14	1.5	6	4	9.8	1.1	22
41-5822-90	41-5822-91
41-5823-10	41-5823-11
41-5823-40	41-5823-41	36.6	32	.025	16	1.3	6	5	10.8	1.1	27
41-5823-70	41-5823-71
41-5824-10	41-5824-11

Adapter

Model No.	A	B	C	D	E	F	G	H	Wt. Grams
Dimensions
41-5820-03	68	30	6.6	24.2	14.0	16	M6 X 1.0	15	725
41-5820-04	88		9.0	32.0	18.5	25	M8 X 1.25		1210
41-5820-05	110		11.0	39.8	23.0	32	M10 X 1.5		1909

Model No.	A	B	C	D	E	F	G	H	J	Wt. Grams
Dimensions (section A-A)
41-5820-00	68	15	6.6	24.2	14.0	16	M6 X 1.0	15	3	370
41-5820-01	88	17	9.0	32.0	18.5	25	M8 X 1.25		4	680
41-5820-02	110	20	11.0	39.8	23.0	32	M10 X 1.5		5	1271

SpecificationsDimensionsForce TableCavityAdapter

Centering Clamp, Small Bore, 3 Point Contact

Double Acting

Bore clamp with 3 points for concentric positioning of the ID of a bore, internal clamping expands radially to center the bore.
The clamping points retract for easy loading.
Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel.
Positional repeatability of +/- 0.02.
Compact design keeps the cylinder out of the way and below the part.
May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down access to porting when mounting.
Fits bore sizes from 25 mm to 55 mm.

Model No.	Clamp Force at 350 Bar (kN)	Clamping Points	Clamping Range Ø (mm)	Repeatability ± (mm)	Weight (g)	Centering Clamp Adapter
Specifications
Double Acting (D/A) Cylinders actuated hydraulically both directions.
41-5821-01	14	3	25 - 29	0.02	441	41-5820-00
41-5821-11			28 - 32		449
41-5821-21			32 - 36		460
41-5821-31			36 - 40		575
41-5821-41			39 - 43		591
41-5821-51			42 - 46		607
41-5821-61			45 - 49		624
41-5821-71			48 - 52		641
41-5821-81			51 - 55		660

Model No.	A	B	C	D	E	F	G	H	Wt. Grams
Dimensions
41-5820-03	68	30	6.6	24.2	14.0	16	M6 X 1.0	15	725
41-5820-04	88		9.0	32.0	18.5	25	M8 X 1.25		1210
41-5820-05	110		11.0	39.8	23.0	32	M10 X 1.5		1909

Model No.	A	B	C	D	E	F	G	H	J	Wt. Grams
Dimensions (section A-A)
41-5820-00	68	15	6.6	24.2	14.0	16	M6 X 1.0	15	3	370
41-5820-01	88	17	9.0	32.0	18.5	25	M8 X 1.25		4	680
41-5820-02	110	20	11.0	39.8	23.0	32	M10 X 1.5		5	1271

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