Description
Unbranded Steel Linear Carriage Mechanism Unipolar Stepper Motor M5248P PWB-G 1053
This is a steel and aluminum linear carriage mechanism incorporating a unipolar stepper motor, a cable/pulley drive system, and an onboard driver PCB built around the M5248P motor driver IC. The assembly consists of a long aluminum rail with a sliding carriage, a steel drive cable routed over end pulleys with a tensioning spring, and a motor/gear subassembly that drives carriage travel. The small PCB (marked PWB-G 1053-0107) carries the M5248P unipolar stepper driver and interfaces to the motor via an on-board connector; a multi-pin JST-style wire harness connects the board to the external system. The original listing notes this was possibly from a printer, which is consistent with the form factor.
Specifications & What's Included
- Motor type: Unipolar stepper motor
- Driver IC: M5248P unipolar stepper motor driver
- Driver PCB part number: PWB-G 1053-0107
- Drive system: Steel cable over end pulleys with coil tension spring
- Rail/frame: Aluminum extrusion rail with steel carriage hardware
- End pulley: Plastic pulley with rubber O-ring/tire at far end of rail arm
- Drive gear: Black plastic drive gear on motor output side
- Connector: Multi-pin JST-style wire harness (multi-color ribbon leads)
- Condition: Used — pulled from a working environment; all major components present
- Includes: Carriage mechanism assembly with stepper motor, driver PCB, and wire harness
Applications
Linear carriage mechanisms of this type are common in precision positioning applications — most notably as the printhead carriage drive in dot-matrix and early inkjet printers, as well as in plotters, facsimile machines, scanners, and general-purpose robotics and laboratory automation equipment. The unipolar stepper motor combined with a cable-and-pulley drive gives controlled, repeatable linear positioning without the mechanical complexity of a lead screw. The M5248P is a Mitsubishi-family unipolar stepper driver IC that was widely used in Japanese OEM printer and office-equipment mechanisms from the 1980s through the mid-1990s. Surplus mechanisms like this are sought by repair technicians, robotics hobbyists, and engineers building custom linear stages who need a ready-made motorized carriage at low cost.
This unbranded steel linear carriage mechanism with unipolar stepper motor and M5248P driver has been inspected and is in good used condition. It was pulled from a working environment where it was in active use. The rail, carriage, drive cable, tension spring, and end pulleys all appear intact with no broken or missing parts. The driver PCB (PWB-G 1053-0107) and wire harness are present and connected. Normal light surface wear consistent with prior use is visible on the aluminum rail and steel components. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Unbranded |
Model: |
M5248P |
MPN: |
1053-0107 |
Type: |
Linear Carriage Mechanism with Stepper Motor |
SKU: |
31580 |
Motor Type: |
Unipolar Stepper Motor |
Driver IC: |
M5248P |
PCB Part Number: |
PWB-G 1053-0107 |
Drive System: |
Steel cable / belt over pulley with tension spring |
Construction: |
Aluminum and steel rail carriage |
Connector Type: |
Multi-pin JST-style wire harness connector |
Application: |
Printer carriage, robotics, linear positioning |
Condition: |
Used – Pulled from Working Environment |
Seller Notes: |
Includes stepper motor, M5248P driver board (PWB-G 1053-0107), and wire harness |
Condition Notes: |
Unbranded steel linear carriage mechanism with unipolar stepper motor and M5248P driver. Inspected and in good used condition; pulled from a working environment. Rail, cable, spring, and PCB (PWB-G 1053-0107) all present and intact. |
