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Rotary Counters for Machine Screwjack Actuators

Rotary Counters for Machine Screwjack Actuators

Economical and easy mounting rotary counter with clockwise or anti clockwise models available.

Model:

RC-4145

The Duff-Norton Rotary Counter is for actuator customers who are looking for a more economical and easy way to determine an actuator’s position.

Our counters have been designed to match our most common actuator ratios.

An operator viewing the reading in the display window will know his actuator’sexact position because the counter’s display shows stroke to the nearest 1000ths of an inch up to 99 inches of travel.

Custom numeric displays are also available.

Features

Display readings have been pre-matched to the actuator’s ratios.
Display reading has been extended to the nearest 1000ths of an inch.
Clockwise and counter clockwise models available.
Easy mounting kits available for installation to existing field actuators.

Mounting Information

The Duff-Norton Rotary Counter fits over the actuator’s worm shaft.

A special worm bushing fills dimensional difference between the counters’ bore and the worms’ diameter (see table).

An anti-rotation pin from the counter’s rear into the actautors’ worm flange holds the counter steady.

Model Number	Bore Size	Capacity
BU10-.500	.500"	2 & 3 Ton MS
BU10-.750	.750"	5 Ton MS
BU10-1.00	1.00"	10 - 20 Ton MS

Model Number	Turn of Worm for 1" Raise	MS Actuator Capacity and Ratio				Approx Width
Clockwise Rotation	Turn of Worm for 1" Raise	Standard	Optional 1	Optional 2	Numeric	Approx Width
RC16R	16	5-100 Tons				2"
RC24R	24	2-3 Ton				2"
RC32R	32			5 Ton		2"
RC48R	48		10-100 Ton	2-3 Ton		2"
RC64R	64		5 Ton			2"
RC96R	96		2-3 Ton			2"
RC100R	100				2-25 Ton	2"
Counter clockwise rotation
RC16L	16	5-100 Tons				2"
RC24L	24	2-3 Ton				2"
RC32L	32			5 Ton		2"
RC48L	48		10-100 Ton	2-3 Ton		2"
RC64L	64		5 Ton			2"
RC96L	96		2-3 Ton			2"
RC100L	100				2-25 Ton	2"

Rotary Counters

(approx. 0.2Mb)

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Custom Dropdown

Part N°	Turn of Worm for 1" Raise	MS Actuator Capacity and Ratio (standard)	MS Actuator Capacity and Ratio (option 1)	MS Actuator Capacity and Ratio (option 2)	MS Actuator Capacity and Ratio (numeric)	Approx Width	Unit Price (Ex. VAT)
4145-T22728	16	5-100 Tons	-	-	-	2"	Quote Required
4145-T22729	24	2-3 Ton	-	-	-	2"	Quote Required
4145-T22730	32	-	-	5 Ton	-	2"	Quote Required
4145-T22731	48	-	10-100 Ton	2-3 Ton	-	2"	Quote Required
4145-T22732	64	-	5 Ton	-	-	2"	Quote Required
4145-T22733	96	-	2-3 Ton	-	-	2"	Quote Required
4145-T22734	100	-	-	-	2-25 Ton	2"	Quote Required
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