Screw Jack Design Guide - Power Jacks - (Version JPG) - Page n° 49 - PDF Catalogue | Technical Documentation

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Rotary encoder, Drive shaft, Electric cylinder, Screw jack, Bevel gear reducer

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screw jacks

1.2.2.6. Keyed Metric Actuators

A Keyed translating screw actuator stops the screw from rotating without the need for end pinning. However the key-way in the screw will cause greater than normal wear on the internal threads of the worm gear.

Upright

(dimensions as non-keyed version refer 1.2.2.2.)

Standard Keyed Dimensions for Inverted Models


Model		2624	2500	1801	1804	1809	1819	1829	1849	1899
	A	79	78	125.5	159	167.5	210	267	**	_**
Inverted	B	Raise	Raise	Raise	Raise	Raise	Raise	Raise	**	**
Inverted		+ 9	+ 35	+ 30	+ 20	+ 3	- 1	+ 15
	C	35	N/A	60	75	90	102	141.5	**	_**

1.2.2.7. Metric Actuators with Secondary Guide

Secondary Guiding for the screw for greater lateral rigidity aiding screw guidance and improved side load resilience.

Standard Secondary Guide Dimensions


Model Capacity (kN)		2625	2501	1802	1805	1810	1820	1830	1850	18100
	A	36	38	60	70	90	100	138	155	225
Upright	B	Raise + 34	Raise + 34	Raise + 30	Raise + 20	Raise + 29	Raise + 24	Raise + 40	Raise + 38	Raise + 50
	C	16	20	20	18	20	20	38	38	65
	D	36	**	60	70	90	100	138	155	**
Inverted	E	Raise + 34	Raise + 34	Raise + 30	Raise + 20	Raise + 29	Raise + 24	Raise + 40	Raise + 38	**
	F	16	**	20	18	20	20	38	38	** J

** Consult Power Jacks Ltd

Note 1. All dimensions in mm.

2. Dimensions are subject to change without notice.

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Screw Jack Design Guide - Power Jacks - #49

Rotary encoder, Drive shaft, Electric cylinder, Screw jack, Bevel gear reducer