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Metric

Centering Clamp, Large Bore, 2 Point Contact

Home > Products > Metric > Special Use Clamps > Centering Clamps > Centering Clamp, Large Bore, 2 Point Contact
Large Bore 2 Point Contact Center Clamps (PDF 539.00 KB)

Specifications

Centering Clamp, Large Bore, 2 Point Contact

Double Acting

Often used when trying to locate using 2 bores on the same part. Use the 3 point Centering Clamp for the first bore, the 2 point unit for the second bore often in an engine block. This allows for minimal part variance of the second bore in a third “clocking” axis, while centralizing both. Functioning similar to using round and diamond locators.
Bore clamp with 2 points used for concentric positioning of a bore, internal clamping expands radially to center the bore.
Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel.
The clamping points retract for easy loading.
Fits bore sizes from 54 mm to 130 mm.
Can be used to center a slot, cavity, or other non-round feature, but normally the 2nd bore in 1 part. Requires the use of fixed stops and or additional clamps to resist direct rotational torque.
Repeatability of +/- 0.02 mm.
May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down or access to porting when mounting.

Model No.	Clamp Force at 350 Bar (kN)	Clamping Points	Clamping Range Ø (mm)	Repeatability ± (mm)	Weight (lb)	Centering Clamp Adapter
Specifications
Double Acting (D/A) Cylinders actuated hydraulically both directions.
41-5821-90	11.2	2	54 - 62	0.02	1754	41-5820-00
41-5822-10			61 - 69
41-5822-40			68 - 76
41-5822-60	17.5		76 - 84			41-5820-01
41-5822-90			83 - 91
41-5823-10			90 - 98
41-5823-40	28		98 - 109		3434	41-5820-02
41-5823-70			109 - 120		3597
41-5824-10			119 - 130		3761

Dimensions

Centering Clamp, Large Bore, 2 Point Contact

Double Acting

Model No.	A	B	C	D	E	F	G	H	J	K	L	M	N	P	Q	R	S	T	V	W	Y
Dimensions
41-5821-90	45	11.3	53.9	15.994 15.983	40	M6-1.0x 12	M6	8	6	65	45	45	n/a	57	2.6	n/a	10	16.8	4	12	22.9
41-5822-10			60.9
41-5822-40			67.9
41-5822-60	65	15.6	75.9	24.993 24.890	54	M8-1.25x 16		9		77	56	60	41	68	3.1	0.5	11	22	5.2	14	32.5
41-5823-90			82.9
41-5823-10			89.9
41-5823-40	85	19.1	97.9	31.991 31.975	67	M10-1.5x 20	M8	10		91	64	74	47	80	3.6	2.5	13	27	6.9	18	42.5
41-5823-70			108.9
41-5824-10			118.9

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, Large Bore, 2 Point Contact

Double Acting

Often used when trying to locate using 2 bores on the same part. Use the 3 point Centering Clamp for the first bore, the 2 point unit for the second bore often in an engine block. This allows for minimal part variance of the second bore in a third “clocking” axis, while centralizing both. Functioning similar to using round and diamond locators.
Bore clamp with 2 points used for concentric positioning of a bore, internal clamping expands radially to center the bore.
Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel.
The clamping points retract for easy loading.
Fits bore sizes from 54 mm to 130 mm.
Can be used to center a slot, cavity, or other non-round feature, but normally the 2nd bore in 1 part. Requires the use of fixed stops and or additional clamps to resist direct rotational torque.
Repeatability of +/- 0.02 mm.
May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down or access to porting when mounting.

Model No.	Clamp Force at 350 Bar (kN)	Clamping Points	Clamping Range Ø (mm)	Repeatability ± (mm)	Weight (lb)	Centering Clamp Adapter
Specifications
Double Acting (D/A) Cylinders actuated hydraulically both directions.
41-5821-90	11.2	2	54 - 62	0.02	1754	41-5820-00
41-5822-10			61 - 69
41-5822-40			68 - 76
41-5822-60	17.5		76 - 84			41-5820-01
41-5822-90			83 - 91
41-5823-10			90 - 98
41-5823-40	28		98 - 109		3434	41-5820-02
41-5823-70			109 - 120		3597
41-5824-10			119 - 130		3761

Centering Clamp, Large Bore, 2 Point Contact

Double Acting

Model No.	A	B	C	D	E	F	G	H	J	K	L	M	N	P	Q	R	S	T	V	W	Y
Dimensions
41-5821-90	45	11.3	53.9	15.994 15.983	40	M6-1.0x 12	M6	8	6	65	45	45	n/a	57	2.6	n/a	10	16.8	4	12	22.9
41-5822-10			60.9
41-5822-40			67.9
41-5822-60	65	15.6	75.9	24.993 24.890	54	M8-1.25x 16		9		77	56	60	41	68	3.1	0.5	11	22	5.2	14	32.5
41-5823-90			82.9
41-5823-10			89.9
41-5823-40	85	19.1	97.9	31.991 31.975	67	M10-1.5x 20	M8	10		91	64	74	47	80	3.6	2.5	13	27	6.9	18	42.5
41-5823-70			108.9
41-5824-10			118.9

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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