Roller Table Motors

Typical applications

• Hot and cold mill roller tables
• Transfer and cooling beds
• Steel and metals processing

Key features

• Sealed construction against scale and water
• Suited to inverter-fed variable speed
• High torque at low speed

Selection notes

Roller table motors work in an unforgiving place: heat, scale, water and constant reversing. The data that matters most is the duty cycle, the torque needed at the roll, the speed range and whether the motor is fed by an inverter.

• Torque at low speed: roller tables run slowly and need high torque, so check the motor's rating over the whole speed range, not at rated speed only.
• Enclosure and sealing: scale and cooling water require a sealed frame; ask for the protection degree and shaft seal arrangement.
• Inverter feeding: pair with a variable frequency drive and confirm the insulation and bearing arrangement suit it.
• Reversing: frequent direction changes heat the rotor, so confirm thermal capacity.

Mistakes include selecting from continuous kW alone, ignoring ambient temperatures near hot material, and leaving cable routing exposed to radiant heat. Add thermal protection and plan for periodic cleaning. For general steel-mill stand duty, see the rerolling mill duty motor. Final selection should be confirmed with a qualified engineer using your mill data.

Frequently asked questions