NKE - Parallel type Small Gripper CHP640 series

Parallel type Small Gripper CHP640 series

This gripper is miniature parallel type designed for chucking extremely small work with long stroke.

Fingers' movement consists of 2 types, normally open and normally closed.

Ordering code

To consult all the technical data of parallel type Small Gripper CHP640 series, download file pdf below.

Main parts are made of the stainless steel and contained taps on the body for mounting at 5 planes of the body.

	CHP640-NO	CHP640-NC	CHP641-NO	CHP641-NC	CHP642-NO	CHP642-NC
Working media	Filtered air
Operating pressure	3 at 7 bar
Ambient temperature	5 at 60 C°
Lubrication	Normally not required. (But if necessary, use 1st sort of turbine oil equivalent of ISO VG32)
Repetitive accuracy	Initial value : +- 0.1 mm, At 2 million cycles : +- 0.2 mm
Life	2 million cycles on condition that the load is evenly applied to each finger
Cylinder bore	7 mm		8 mm		10 mm
Stroke	3 mm		5 mm		7 mm
Exhaust volume	0.06 cc		0.13 cc		0.28 cc
Max. cycle per minute	120		120		90
Fingers' movement	Normally open	Normally closed	Normally open	Normally closed	Normally open	Normally closed
Gripping force : close	(P-0.17 N) (28-15 l)	1.7 N	(P-0.17 N) (28-15 l)	3.8 N	(P-0.17 N) (28-15 l)	4 N
Gripping force : open	1.7 N	(P-0.17 N) (28-15 l)	3.8 N	(P-0.17 N) (28-15 l)	4 N	(P-0.17 N) (28-15 l)
	l : length of attachments from the end of fingers to the center of the work (cm)
Weight	28 g		53 g		98 g
Max. length of attachement from finger end	1 cm		2 cm		3 cm
Max. weight of one attachment	8 g		12 g		15 g