当您需要接近尼龙的承载能力，又必须保护漆面混凝土地坪或环氧地坪时，聚氨酯是默认之选。RollMaster 在自有厂区内将 PU 直接浇铸到灰铸铁和钢芯上。
PU 轮滚动阻力低、抓地性好、运行安静，并耐油类和多种化学品——是 AGV/AMR 平台和室内物料搬运的标准轮材。
规格参数
- 标准邵氏硬度 92A–95A，其他配方可按需定制
- 注塑与浇铸 PU 产线均在自有厂区
- 可提供无痕灰色与红色配方
- 典型温度范围 -20 °C 至 +80 °C
表面处理
镀锌支架或不锈钢支架
| Bracket finish | What it does | Specify it when |
|---|---|---|
| Zinc plating (blue/white) | Baseline corrosion protection | Standard dry indoor use |
| Chrome plating | Hard, decorative, easy to clean | Visible / cleanroom-adjacent equipment |
| Powder coating | Custom color, good corrosion resistance | Brand colors, outdoor-adjacent use |
| Stainless steel 304 | No plating to fail | Washdown, food, medical |
| Stainless steel 316 | Resists chlorides | Salt, brine, marine air, harsh cleaning chemicals |
测试与检验
PU 与轮芯的粘接强度和硬度按批次检验
| Selection factor | Rule of thumb | Effect on performance |
|---|---|---|
| Load sizing | Total load ÷ 3 (not ÷ 4) | On uneven floors only three wheels carry the cart |
| Wheel diameter | Bigger rolls easier | Larger wheels cut push force and bridge gaps |
| Tread hardness | Softer = quieter, harder = easier rolling | Pick the softest tread that carries the load |
| Bearing choice | Precision ball for manual pushing, roller for heavy loads | Bearings dominate rolling resistance at high load |
| Swivel vs rigid | 2 swivel + 2 rigid is the standard cart setup | All-swivel carts wander; all-rigid carts cannot steer |
| Floor condition | Rough floors need bigger wheels and softer treads | Small hard wheels on bad floors destroy both |
Capability commitments on this page are owner-confirmed (2026-09-29).