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Newall Offers Unprecedented Warranty

Newall Offers Unprecedented Warranty

To demonstrate our confidence in the durability or our DRO systems, Newall proudly offers its products with the best warranty available. Five Year Warranty(1) Newall warrants its new DRO ...


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Newall - The DRO of Choice at Rankin Technical College

Newall - The DRO of Choice at Rankin Technical College

Located in St Louis Missouri, Ranken Technical College was founded in 1907 by David Ranken Jr., as a private non-profit institution to train students for employment in a variety of...


DRO Encoders: RDW-PV Draw Wire Encoder

RDW-PV Draw Wire Encoder

Newall’s RDW-PV linear cable encoder provides linear position in a rugged, easy-to-install package.  Simply connect the cable to your moving member of the machine and secure the base to a fixed object (or vice versa). 

The retractable cable is made of nylon coated stainless steel for ultimate strength, durability and long life. The RDW-PV’s compact profile and ability to operate in harsh environments makes it a perfect solution for a variety of industrial applications.

Features:

  • IP66 environmental rating. Ideal for wet, dirty, or even outdoor environments
  • Simple and adaptable installation
  • Linear guide way is not required
  • Measuring range up to 125” (3175mm)
  • Linear resolution to 0.0005”(0.01mm)
  • Zero backlash coupling between integrated incremental encoder and drum

Download RDW-PV Draw Wire Data Sheet

Download High Resolution Photo

Encoder for Spindle Axis of Boring Mill
It can often be difficult to install a linear encoder to the spindle axis of a machine tool.  With the RDW-PV, attach the wire to the spindle assembly and mount the encoder to the machine surface.  The RDW-PV can be used with Newall’s DP1200 or SA-100 DRO units to provide accurate and reliable measurements even in harsh environments.    

Mechanical Specifications

Enclosure: Anodized aluminum and glass filled polycarbonate

Enclosure rating: IP66

Measuring Range: 0- 125" (0 to 3175mm)

Maximum Velocity: 80" (2M) per sec.

Measuring Cable Tension: 24.8 ± 30% oz

Rotational Sensitivity: 12” ± .020 in/rev

Maximum Retraction Acceleration: 10 G

Weight: Approximately 3.3 lbs (max)
 

 

 

Electrical Specifications

Supply Voltage: 5-28 VDC available

Voltage/Output: 25V/V: 5-28 VDC in, Vout = Vin

Current Requirements: 100 mA typical + output load, 250 mA max

Protection Level: Reverse, over voltage and output short circuit

Code: Incremental

Output Format: 2 Channels in quad., with ½ cycle index gated with negative B channel

Resolution: 500 pulses per Inch

Output Termination: M18 Connector

 



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