Transfer Rollers From Wixroyd
What is...
Wixroyd's comprehensive range of machine elements, standard parts, access components and workholding equipment contains a broad selection of sizes in materials including; stainless steel, steel, die-cast zinc as well as plastic. CAD models of Wixroyd components are available for free visit CAD download. For a free copy of the latest Wixroyd catalogue, the designers indispensable guide to A Range of Endless Possibilities, visit free literature.
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Cost effective and light weight units formed from sheet steel material. No reduction in load carrying capacity even when installed upside down.
Push fit units. These acetal units resist salt water and chemicals. They are non-conductive and non-magnetic.
Cost effective and light weight units formed from sheet steel material. No reduction in load carrying capacity even when installed upside down. Low friction 1:0,03.
These Ball Transfer Units are made of a solid steel block with a precision machined hemispherical carrying bowl.
Top cover plates are shaped to ensure the perfect conveyance of items which have possible burred or bent edges. This design also prevents possible damage to the carrying ball.
These ball transfer units are made of a solid steel block with a precision machined hemispherical carrying bowl.
Normally used in measuring equipment, small linear motion systems (e.g photo copier slides) and miniature mechanisms.
Associated Products
Durasoft rollers have "teardrop" holes to allow the roller to flex for firm but non-damaging contact.
Perfect for small applications, this small size shock absorber is for M14 - M20 threads.
Features
Fixing clip selection
| Part No. | Ball Size | Minimum Bore Ø | Maximum Bore Ø |
| 67202.W9015 | 15 | 24,8 | 25,0 |
| 67202.W9022 | 22 | 37,0 | 37,2 |
| 67202.W9030 | 30 | 46,3 | 46,7 |
Clip requires a minimum plate thickness of 3mm to grip securely
How to select the correct unit
| Ball Type | Max. Load (Kg) | Friction (% of load) | Speed m/sec | Shock Loads | Shock Loads | Arduous Conditions | Orientation | Instant Change |
| Medium Duty | 20-3500 | 2% | 1,5 | ✔ ✔ ✔ | ✔ ✔ | ✔ ✔ |  | |
| Light Duty | 7-250 | 3% | 1,0 | ✔ | ✔ ✔ | | ✔ ✔ ✔ |
Variables to Consider
Shock Loads: Specify High Capacity series & Spring Loaded Units
Track Hardness / Conveyed item material: Standard material Ball Units have Rockwell 'C' hardness of 60 minimum
Delicate Surfaces: Ball Units - Acetal (POM) & Phenolic Resin
Operating Environment: Wet, dirty, outdoor, radioactive
Materials
| Housing | Ball | Load Factor | |
| Steel | Steel | 1,0 | Housing: AISI 1040 steel, machined, toughened & zinc plated. Ball: AISI 52100 chrome steel. |
| Steel | Stainless | 0,7 | Housing: AISI 1040 steel, machined, toughened & zinc plated. Ball: AISI 420 chrome steel. |
| Stainless | Stainless | 0,3 | Housing: AISI 416 stainless steel. Ball: AISI 420 stainless steel. |
| Steel | Acetal | Housing: AISI 1040 steel, machined, toughened & zinc plated. Ball: POM acetal. | |
| Aluminium | Stainless | Housing: Aluminium. Ball: AISI 420 stainless steel. | |
| Acetal | Acetal | Housing: Housing: POM acetal. Ball: POM acetal. | |
| Acetal | Stainless | Housing: POM acetal. Ball: AISI 420 stainless steel. |
Installation
Load and stability
To determine the load of a Ball Transfer Unit, the weight of the article to be conveyed should be divided by 3. If the height tolerance of the load balls is good and the surface of the workpiece to be conveyed is suitable, the calculation can be based on the number of Ball Transfer Units under the load.
Pitching and spacing
How the Ball Transfer Units should be arranged depends on the bottom surface of the load to be transported. For loads with a uniform, even bottom surface, e.g. packing cases, the distance between the Ball Transfer Units is calculated by dividing the smallest dimension by 3,5.
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