In order to establish a slip ring requirement, the user should attempt to address as many as possible of the parameters mentioned under Technical Considerations.
HOLLOW MODULAR SLIP RINGS
The slip ring assembly is usually supplied as separate ring and brush assemblies, and will be an integral part of the customer’s mechanical design.
Typical Specifications:
|
Current, continuos, on single circuit
|
Up to 5 A
|
|
Voltage
|
Up to 440 Vac
|
|
Insulation resistance
|
> 200 Megaohm at 1000 VDC
|
|
Contact resistance
|
< 20 milliohm
|
|
Maximum recommended surface speed
|
0.5 m/s
|
|
Inside diameter
|
up to 220 mm
|
|
Outside diameter
|
up to 250 mm
|
|
Slip ring length
|
The qty of circuits will determine the final length of the slip ring
|
|
Qty circuits
|
Up to 80
|
|
HOUSED AND CAPSULE MODULAR SLIP RINGS
The slip ring assembly is usually supplied as a self contained mechanical assembly, including bearings, seals, mechanical mounting surfaces and also connectors if required. Slip rings can be supplied with hollow shafts. Angular sensors can be included into the assembly.
Typical Specifications:
|
Current, continuos, on single circuit
|
Up to 2.6 A
|
|
Voltage
|
Up to 100 Vdc
|
|
Insulation resistance
|
> 200 Megaohm at 500 VDC
|
|
Contact resistance
|
< 20 milliohm
|
|
Typical speed
|
60 rpm
|
|
Hollow shaft inside diameter
|
7 to 30 mm
|
|
Outside diameter
|
30 to 75 mm
|
|
Slip ring length
|
The qty of circuits and bearing arrangement will determine the final length of the slip ring
|
|
Qty circuits
|
Up to 140
|
|
ROTARY BASE JUNCTIONS
Rotary Base Junctions or RBJ’s, are assemblies which include besides low and very high current circuits, also varied functionality such as pneumatic or hydraulic junctions, wave guides, resolvers, etc.
Typical Specifications:
|
Current, continuos, on single circuit
|
Up to 500 A
|
|
Current, peak, on single circuit
|
Up to 600A for 30 seconds
|
|
Voltage
|
Up to 440 Vac
|
|
Insulation resistance
|
> 200 Megaohm at 1000 VDC
|
|
Speed
|
60 rpm
|
|
Hollow shaft inside diameter
|
100 mm
|
|
Outside size
|
400 by 400 mm
|
|
Length
|
Up to 600 mm
|
|
INDUSTRIAL SLIP RING ASSEMBLIES
Industrial slip rings are usually enclosed assemblies fitted with carbon brushes and copper alloy rings, and are frequently used for factory automation. It is common to fit pneumatic junctions to the assemblies.
Typical Specifications:
|
Current, continuos, on single circuit
|
Up to 20A
|
|
Current, peak, on single circuit
|
Up to 30A for 30 seconds
|
|
Voltage
|
Up to 440 Vac
|
|
Insulation resistance
|
> 200 Megaohm at 500 VDC
|
|
Contact resistance
|
< 20 milliohm
|
|
Speed
|
Up to 200 rpm
|
|
Hollow shaft inside diameter
|
Up to 100 mm
|
|
Outside size
|
400 by 400 mm
|
|
Length
|
Up to 300 mm
|
|
Mass
|
Up to 10 kg
|
|
|
