300P Elevator V30 Door Hanger Roller Wheel Pulley 34 X 19 X M12

Details for 300P Elevator V30 Door Hanger Roller Wheel Pulley 34*19*M12 34*19*12

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In the elevator industry, the door hanger is one of the commonly used accessories. The door hanger is mainly made of a hollow iron core covered with plastic or nylon. In the prior art, the door hanger is usually processed by pressure injection, and the plastic or nylon The mold is injected under high pressure. Therefore, the mold is usually made of metal materials such as No. 45 steel. The metal mold is bulky and very heavy. The door hanging wheel processed by this process has high cost, large equipment inveent, and labor intensity of workers. .

Manufacturing method of elevator door hanging wheel.

The elevator door hanging pulley is mainly used for the guidance of the elevator door switch action, which realizes the opening or closing of the elevator door by rolling. The structure of the elevator door hanging wheel in the prior art generally includes a hub, a bearing arranged inside the hub, and a polyurethane outer ring sleeved outside the hub. Easy to loosen during use.

Elevator Door Hanger Roller - FAQ

Q1: What is the function of an elevator door hanger roller?
An elevator door hanger roller supports and guides the movement of door panels along the door track. Its design depends on the door suspension system.

Q2: Can elevator door hanger rollers with the same diameter be interchangeable?
Not necessarily. Rollers may differ in tread profile, width, bearing type, material, mounting structure, and load capacity.

Q3: What causes excessive wear on elevator door hanger rollers?
Possible causes include track misalignment, damaged bearings, abnormal loading, unsuitable material, or mechanical installation problems.

Q4: Can a door hanger roller be replaced separately from the hanger assembly?
Some door hanger assemblies allow individual roller replacement. Others may require replacement of a larger component, depending on the design and manufacturer requirements.

Q5: What specifications are needed for a replacement door hanger roller?
Please provide the original part number, roller diameter, width, bearing dimensions, mounting information, door system model, and photos.