Specifications

ball transfer unit
1. high quality material
2. apply for vacuum equipment
3. good anti-corrosive

Plastic ball transfer unit SP30

 

We  supply a lots of high quality ball transfer unit . stainless steel ones,ceramic ones available  

 

Model No.	Ball size	Loading capacity Maximum/Breaking
SP-8	8MM	8KG/15KG
SP-12	12MM	25KG/30KG
SP-15	15.875MM	40KG/50KG
SP-22	22.23MM	140KG/160KG
SP-25	25.4MM	180KG/200KG
SP-30	30.16MM	250KG/300KG
SP-45	45MM	450KG/500KG
SP-60	60MM	800KG/1200KG
SP-76	76MM	2000KG/2500KG
SP-90	90MM	3000KG/3500KG
SP-8FL	8MM	8KG/15KG
SP-15FL	15.875MM	40KG/45KG
SP-22FL	22.23MM	140KG/160KG
SP-30FL	30.16MM	200KG/230KG
SP-45FL	45MM	400KG/450KG

 

 

Ball transfer units are omni-directional load-bearing spherical balls mounted inside a restraining fixture. They are identical in principle to a ball computer mouse upside-down, or a trackball, except there is an array of them side-by-side.

 

Typically the design involves a single large ball supported by smaller ball bearings.They are commonly used in an inverted ball up position where objects are quickly moved across an array of units, known as a ball transfer table, a type of conveyor system. This permits manual transfer to and from machines and between different sections of another conveyor system.

 

They are used in airports for luggage delivery, or in industry as part of manufacturing systems. Prior to the invention of the ball transfer unit, first patented by Autoset Production Ltd in 1958, these applications were solved by the use of inverted casters.However, casters recognize a trail, meaning that the wheels had to align before directional change could be achieved.Ball transfer units can also be used non-inverted ball down position as a type of caster, however this use is restricted by load-bearing limitations and the type of floor.

 

Manufacturers have addressed this problem with ball transfer units incorporating re-circulating ball principles, however the inverted position is still the most common application and the least problematic.