Conventional Cast Rotors Ramco Electric Motors Al Cu Keyway Slots Greenville OH

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	Conventional Cast Rotors

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Ramco Electric Motors has cast over a million and a half die cast rotors in a niche business in 22 years. Using THT vertical rotor die cast presses, we cast open or closed slot lamination stacks for our conventional die cast rotors. We closely monitor our furnaces to ensure correct alloy conductivity.

Rotor Secondary Operations

Rotor ID Honing
Rotor OD Machining or Grinding
Rotor Keyway Broaching - We broach keyways up to 12" long in 280 frame rotors in a single pass on our 90” Horizontal Colonial Broaching Machine.
Rotor Annealing - This process is commonly known to the industry - heating the rotor core up and water quenching it and breaking the rotor bars away from the steel. This process creates a more efficient rotor!

Specifications

Materials		Aluminum Copper Various Alloys at your request

Outside Diameter		Up to 10 Inch

Weight		Up to 12 lbs of Copper Up to 30 lbs of Aluminum

Keyway Length		12 Inch

Keyway Width		1/2 Inch

Keyway Depth		1/4 Inch

Length		Up to 18 Inch

Secondary Services		Annealing (Baking & Flame) Balancing ID Honing Keyway Broaching Welding

Part Quantities		Batches up to 1,000 pieces Samples are available for expected production runs

Lead Time		4-8 weeks

Equipment		100 Ton THT Vertical Die Cast Press 1000 Lb. Capacity Gas Fired Schaefer Aluminum Melt Furnace 50 Ton THT Vertical Die Cast Press 600 Lb. Capacity Gas Fired Schaefer Aluminum Melt Furnace Induction Heater OSI Post Cast Heat Treat Oven

Quality Assurance		Casting density on samples measured using destructive testing and x-ray photography Conductivity verified as required Dimensional Verification using calipers, mics & indicators Process can be locked on a per part basis

Industries Served		Aerospace Commercial Generator Manufacturers Machine Manufacturers Military Motor Manufacturers Pump Manufacturers

Compliance		AS9100:2004 ISO9001:2000

Conventional Cast Rotors

Materials

Outside Diameter

Weight

Keyway Length

Keyway Width

Keyway Depth

Length

Secondary Services

Part Quantities

Lead Time

Equipment

Quality Assurance

Industries Served

Compliance