Home Tube Clamp Connectors Clamp mountings GN 474.3

GN 474.3

Parallel Mounting Clamps with Adjustable Spindle

Aluminum

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GN 474.3-K

Parallel Mounting Clamps with Adjustable Spindle

With two hand levers and two socket cap screws

GN 474.3-S

Parallel Mounting Clamps with Adjustable Spindle

With four socket cap screws

Description

Specification

Types

Type K: With two hand levers and two socket cap screws

Type S: With four socket cap screws

Mounting clamp

Aluminum

Matte, ground MT

Anodized, black ELS

Adjustable hand levers (Type K)

Zinc die casting

Powder coated

Silver, RAL 9006, textured finish

Threaded insert and retaining screw

Stainless steel AISI 303

Adjusting wheel

Stainless steel AISI 303

Thrust washer

Plastic

Socket cap screws ISO 4762

Stainless steel AISI 304

2x chemically blackened (Type S)

2x plain finish (Type K / Type S)

Countersunk screw ISO 14581

Stainless steel AISI 304

Spring

Spring steel AISI 301

Information

Parallel mounting clamps with adjustable spindle GN 474.3 are used for adjusting measuring or test setups.

For coarse adjustments in millimeters, two adjacent clamping points are released so that the rod can be shifted quickly. When using retaining rods / retaining tubes GN 480.1 in type LS with longitudinal scale, their scale provides orientation during presetting.

For fine adjustments, two diagonally opposite clamping points are released. The relative position of the retaining rods/retaining tubes can then be set with the adjusting wheel. The adjusting distance can be read in 0.1 mm increments based on the knurled graduations. Due to the integrated spring, the adjustment is free of backlash.

Technical information

Stainless Steel Characteristics

Assembly variants

As delivered

Clamping points inverted	Movable mounting clamp, angular and clamping point inverted	Fixed mounting clamp, angular and clamping point inverted

Application example

Adjustment

Line scaling on adjusting wheel for adjustment in 1/10 mm increments

GN 474.3-S

	Color	d₁ Bore for shaft tolerance h11	a Stroke max.	d₂	d₃	d₄	k	l₁ max.	l₂	l₃	m
Code													Actions
GN 474.3-B8-S-ELS	ELS - Anodized	B 8	12	19	M 4	M 4	14	40	59	13.5	32	92
GN 474.3-B8-S-MT	MT - Matte finish	B 8	12	19	M 4	M 4	14	40	59	13.5	32	92
GN 474.3-B12-S-ELS	ELS - Anodized	B 12	18	21	M 5	M 5	16	50	73	17	39	154
GN 474.3-B12-S-MT	MT - Matte finish	B 12	18	21	M 5	M 5	16	50	73	17	39	154
GN 474.3-B16-S-ELS	ELS - Anodized	B 16	24	26	M 6	M 6	20	64	91	20.5	50	256
GN 474.3-B16-S-MT	MT - Matte finish	B 16	24	26	M 6	M 6	20	64	91	20.5	50	256

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