ROTATING JOINTS TEWI ฎ  W 2000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

These joints are used on cable spot-welding guns.

When an operator positions a gun in the zone to

be welded, he is often submitted to unnecessary

efforts due to the secondary cables that are an

impediment to the movements.

These types of joints (TEWI ฎ patent) are clamped

or unclamped at the same time of the weld cylinder

and allow an easy positioning of the gun as the

secondary cable is free to move when the gun is open.

If the gun is hydraulically operated, W94 hydraulic type is used.

If the gun is air operated, W2000 pneumatic type is used.

 

 

W 2000 Pneumatic type

W 94 Hydraulic type

 

 

 

 

 

 

 

 

 

 

 

 

Dimensions:

Outside Diametre …….......................90mm

Length (without fittings) ……………115 mm

Dimensions:

Outside Diametre …….......................80mm

Length (without fittings) ………..……90 mm

Weight ………………………………..   5 kgs

Weight ……………………………….. 3.5 kgs

Rotation freedom …………………… ฑ 360 ฐ

Rotation freedom …………………… ฑ 360 ฐ

The joint is ……………...……. Water cooled

Adviced temperature ……. ….22ฐC (ฑ 3ฐC)

Flow rate .…………………….. min. 4 lts/min

Pressure: …………… same of weld cylinder

The joint is ……….…………. Water cooled

Adviced temperature ……. ….22ฐC (ฑ 3ฐC)

Flow rate .…………………….. min. 4 lts/min

Pressure: …………… same of weld cylinder

Pressure loss ………………..………. 0,22%

                                            of inlet pressure

Pressure loss ………………..………. 0,22%

                                            of inlet pressure

Inlet pressure ………………………… 5 bars

Inlet pressure ………………...… min. 6 bars

Max. electrical resistance………….…. 8 ตΩ

Max. Electrical resistance ..……….…. 8 ตΩ

Friction resistance ……………………. 2 Nm

Friction resistance ……………………. 2 Nm

The joint allows the following currents:

At 50% duty-cycle …………….. 8,500 Amps

At 40% duty-cycle …………….. 9,000 Amps

At 30% duty-cycle …………….10,000 Amps

At 20% duty-cycle …………….12,000 Amps

At 15% duty-cycle …………….14,000 Amps

At 10% duty-cycle …………….15,000 Amps

The joint allows the following currents:

At 50% duty-cycle …………….. 8,500 Amps

At 40% duty-cycle …………….. 9,000 Amps

At 30% duty-cycle …………….10,000 Amps

At 20% duty-cycle …………….12,000 Amps

At 15% duty-cycle …………….14,000 Amps

At 10% duty-cycle …………….15,000 Amps

Change-over time ……………………15 min

Change-over time ……………………15 min
Adviced PPM time (Programmed Preventive Maintenance time):.................................. every 1,000,000 spots  Adviced PPM time (Programmed Preventive Maintenance time):.................................. every 1,000,000 spots