Home Indexing and Positioning Elements Indexing plungers GN 722.1

GN 722.1

Spring Latches

Steel / Stainless Steel, for Welding

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Description

Specification

Types

Type A: Square, latch riveted, not removable

Type AU: Square, latch screwed, removable

Type R: Round, latch riveted, not removable

Type RU: Round, latch screwed, removable

Guide

Steel precision casting ST

Weldable

Blackened

Stainless steel precision casting AISI 316 A4

Weldable

Latch

Steel precision casting

Zinc plated, blue passivated (for ST)

Stainless steel precision casting AISI 316 (for A4)

Plunger pin

Steel, zinc plated, blue passivated (for ST)

Pressure spring

Stainless steel AISI 316 (for A4)

Pressure spring

Stainless steel AISI 316Ti

Countersunk screw

Steel, zinc plated (for ST)

Stainless steel (for A4)

Information

With spring latches GN 722.1, the plunger pin is retracted over the curve of the guide by a 180° turn of the latch. The notch at the upper end of the curve causes the latch to be held in place if the plunger pin needs to be kept temporarily from protruding. The ST version is designed for applications in steel construction, whereas the stainless steel version A4 is suitable for use in particularly aggressive environments.

The dimensional tolerances between plunger pin and guide are selected so that the functional reliability is guaranteed even after welding, applying a corrosion protection layer or in case of contamination.

For fastening by welding, the unmounted type AU is particularly recommended to avoid changes to the microstructure of the material due to heating of the spring and plunger pin. In this case, the indexing plunger is assembled only after the surface treatment of the welded guide.

List of Cam Action Indexing Plungers

Technical information

Load Rating Information

Stainless Steel Characteristics

GN 722.1-A4

	Color	d₁ Pin -0.05/-0.25 Bore +0.1/+0.3	d₁ Pin -0.05/-0.25 Bore +0.2/+0.4	d₂	s	l₁ ≈	l₂	l₃	l₄	A/F	Spring load in N≈ initial	Spring load in N≈ end
Code														Actions
GN 722.1-8-20-A-A4	A	8	-	-	20	54	14	35	37	2.5	14	35	146
GN 722.1-8-20-AU-A4	AU	8	-	-	20	54	14	35	37	2.5	14	35	161
GN 722.1-8-20-R-A4	R	-	8	20	-	54	14	35	37	-	14	35	121
GN 722.1-8-20-RU-A4	RU	-	8	20	-	54	14	35	37	-	14	35	117
GN 722.1-10-20-A-A4	A	10	-	-	20	54	14	35	37	2.5	14	35	142
GN 722.1-10-20-AU-A4	AU	10	-	-	20	54	14	35	37	2.5	14	35	164
GN 722.1-10-20-R-A4	R	-	10	20	-	54	14	35	37	-	14	35	121
GN 722.1-10-20-RU-A4	RU	-	10	20	-	54	14	35	37	-	14	35	120
GN 722.1-12-20-A-A4	A	12	-	-	20	54	14	35	37	2.5	14	35	148
GN 722.1-12-20-AU-A4	AU	12	-	-	20	54	14	35	37	2.5	14	35	168
GN 722.1-12-20-R-A4	R	-	12	20	-	54	14	35	37	-	14	35	125
GN 722.1-12-20-RU-A4	RU	-	12	20	-	54	14	35	37	-	14	35	124
GN 722.1-14-20-A-A4	A	14	-	-	20	54	14	35	37	2.5	14	35	150
GN 722.1-14-20-AU-A4	AU	14	-	-	20	54	14	35	37	2.5	14	35	173
GN 722.1-14-20-R-A4	R	-	14	20	-	54	14	35	37	-	14	35	129
GN 722.1-14-20-RU-A4	RU	-	14	20	-	54	14	35	37	-	14	35	129
GN 722.1-16-30-A-A4	A	16	-	-	30	83	20	54	55	4	22	70	612
GN 722.1-16-30-AU-A4	AU	16	-	-	30	83	20	54	55	4	22	70	641
GN 722.1-16-30-R-A4	R	-	16	30	-	83	20	54	55	-	22	70	433
GN 722.1-16-30-RU-A4	RU	-	16	30	-	83	20	54	55	-	22	70	432
GN 722.1-20-30-A-A4	A	20	-	-	30	83	20	54	55	4	22	70	644
GN 722.1-20-30-AU-A4	AU	20	-	-	30	83	20	54	55	4	22	70	535
GN 722.1-20-30-R-A4	R	-	20	30	-	83	20	54	55	-	22	70	452
GN 722.1-20-30-RU-A4	RU	-	20	30	-	83	20	54	55	-	22	70	450

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