Press Fit Plunger PPR

Brand :

NBK

Caution

The product images are representative only. Specifications may differ for each part number, including shape and color.

Product Description

Press-fit type ball plunger.
[Features]
·Recommended dimensional tolerances for mounting holes are H7.
·PPR is made of all stainless steel.
·The ball of PPR-KD is made of plastic.
·Does not damage the workpiece.
·PPR-KU and PPR-KD have electrical insulation.
·Operating temperature range of PPR-KU and PPR-KD: -30°C to 50°C .
[Applications]
·For positioning the workpiece, for positioning the mold, for extruding the workpiece.

Drawing

Product Specifications

Material/finish

Product code	PPR	PPR-KU	PPR-KD
Main body	SUS305	Delrin (Polyacetal/blue)	Delrin (Polyacetal/blue)
Ball	SUS420C (Hardness 52-58 HRC)	SUS420C (Hardness 52-58 HRC)	Delrin (Polyacetal/white)
Spring	Equivalent to SUS631	Equivalent to SUS631	Equivalent to SUS631

Standard table

PPR-KU/PPR-KD main body: Plastic

Units: mm

Part number (Stainless steel ball)	Part number (Plastic ball)	D₁	D₂	L	L₁	s	D	Applicable Ball Buttons	Load (N) min./max.	Weight (g)
PPR-3-KU	—	3	3.5	4	0.6	0.6	2.4	BB-4	1.7 / 3.6	0.1
PPR-4-KU	PPR-4-KD	4	4.6	5	1	0.8	3	BB-5	3 / 6.5	0.2
PPR-5-KU	PPR-5-KD	5	5.6	6	1	1	4	BB-6	4.5 / 9	0.4
PPR-6-KU	PPR-6-KD	6	6.5	7	1	1.6	5	BB-10	6.5 / 13	0.7
PPR-8-KU	PPR-8-KD	8	8.5	9	1	1.9	6.5	BB-10	8 / 18	1.5
PPR-10-KU	PPR-10-KD	10	11	13	1.5	2.4	8.5	BB-12	12 / 23	2
PPR-12-KU	PPR-12-KD	12	13	16	1.5	3.3	10	BB-16	13 / 25	3

PPR: All stainless steel