Choose a Part transfer shuttle
Many years ago the screw drive had significant advantages over the belts of that day. Today’s vastly improved belts offer the same durability and precision as a screw. Belts offer superior speed, length and system efficiency. New belt shuttles are lower cost and shorter delivery.
| MECHANICAL | BELT | SCREW |
| Belt: Urethane teeth Stainless reinforced Center guided aluminum pulley | ✔ | |
| 1 7/8″ x 4″ lead screw steel Kevlar composite nut. | ✔ |
| ATTRIBUTE | BELT | SCREW |
| Maximum Standard Speed | 33 IPS | 21 IPS |
| VFD Repeatability | +/- .5mm | +/- .5mm |
| Servo Repeatability | +/- .1mm | +/- .2mm (nut lash) |
| Delivery | 6-8 weeks | 10 -12 weeks |
| Cost | Always lower by varying percentage | benchmark |
| Standard length limit | 10M | 5M |
| Operating Noise level | <65db | <65db |
| Load Cap | Both styles use 35 series roller carriages. Load is limited by offset (not bearing capacity). | |
| STYLES | BELT | SCREW | ||||
| STYLES | Lube points | Motor HP | Sys Eff. % | Lube points | Motor HP | Sys Eff. % |
| Single | 1 | 1 | 96 | 2 | 1 | 80 |
| Double | 2 | 1 | 92 | 3 | 1-3 | 80 |
| Push / Pull | 2 | 1 | 92 | 4 | 3 | 40 |
| Double Independent | 2 | 1 | 96 | 4 | 1 | 80 |
| MTTR | BELT | SCREW |
| MTTR | 30 min / 1 hr. all styles | 8 hours per nut |
| Rail & Bearings | 4 hours per lane | 8 hours per lane |
| Gas Spring | not required | 1 hour / 2 pieces |