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Used automatic lathe

  • ISO9001 Absolute Magnetic Linear Encoder

    ISO9001 Absolute Magnetic Linear Encoder 30m/Min For Boring Machines

    • Manufacturer: Sino

    Advantage of Closed Magnetic Encoder Scale Exact 1 mm pitch, extended measuring range, contact-free measurement, no backlash issues, easy installation Technical parameter Encoder Magnetic Scale Application The fo...

    Guangzhou, China
  • Aluminum Magnetic Linear Encoder

    Aluminum Magnetic Linear Encoder

    • Manufacturer: Sino

    Magnetic Linear EncoderAdvantage, *Three mounting holes for fixing with superior anti-interference ability. * Wide range of installation tolerances *Stable performance *Maximum speed 5m/s Technical parameter Enco...

    Guangzhou, China
  • 5V DC Magnetic Shaft Optical

    5V DC Magnetic Shaft Optical Angle Encoder 5m/S With 5 Core Cable

    • Manufacturer: Sino

    Magnetic Encoder L200 KA800M SINO Magnetic Shaft Encoder Magnetic Encoder Product Advantage, *Metal zinc alloy material *TTL 5V/TTL 24V signal has line driver output, metal shield wire, *Three mounting holes for...

    Guangzhou, China
  • Aluminum Small Magnetic Linear Encoder

    Aluminum Small Magnetic Linear Encoder 5V DC With 3 Meter Cable

    • Manufacturer: Sino

    KA800MC Magnetic Encoder Small Magnetic Sensor Encoder With 3meter Cable Product Merits, Very easy to install at a competitive price Mini KA800MC-5 magnetic scale is mainly suitable for processing and measuring ...

    Guangzhou, China

Overview

Feedback devices are sensors and transducers—encoders, resolvers, tachometers and position sensors—used on crawler loaders and heavy equipment to provide real-time data on position, speed and direction. They enable precise control of hydraulics, drive systems and automation, and support diagnostics and safety functions. Buyers choose based on resolution, environmental rating (IP), electrical interface (analog, digital, CAN), mounting, shaft size and compatibility with the machine’s controller.

FAQ

How do I ensure a feedback device is compatible with my crawler loader?

Match electrical interface (voltage, signal type, CAN), mechanical mounting, shaft diameter, resolution and connector pinout to your controller. Provide the OEM part number or controller specs to the seller and ask for a datasheet.

What should I check when buying a used feedback device?

Inspect for shaft play, corrosion, water ingress, damaged connectors and seals. Request recent test reports, output waveform checks and serial numbers. Verify calibration history and spare-part availability.

How should feedback devices be shipped to avoid damage?

Pack with shaft caps, anti-static wrap, desiccant and vibration-damping material inside a sturdy crate. Label fragile, insure the shipment and include a parts list and datasheet for customs if shipping internationally.

What maintenance and calibration do feedback devices need?

Routine checks include visual inspection, connector cleaning, seal integrity and output testing. Calibrate after repairs, impacts or annually depending on usage. Replace bearings, seals or the unit if accuracy degrades.