RM-3低溫旋轉(zhuǎn)定位器

該版本的RM-3設(shè)計(jì)用于在-50°C至70°C的溫度范圍內(nèi)運(yùn)行。為了實(shí)現(xiàn)這一溫度范圍,我們使用了專門設(shè)計(jì)的步進(jìn)電機(jī),在所有軸承和蝸輪上使用了Molykote 33潤(rùn)滑脂,并且還對(duì)外殼進(jìn)行了修改,以允許在-50°C的溫度下正確安裝軸承。RM-3的設(shè)計(jì)利用了單個(gè)預(yù)載交叉滾柱軸承進(jìn)行工作臺(tái)移動(dòng)。這種設(shè)計(jì)方法消除了雙軸承配置的使用,從而改善了軸向跳動(dòng)和擺動(dòng)。這種旋轉(zhuǎn)工作臺(tái)采用蝸輪傳動(dòng),可提供90:1和45:1的傳動(dòng)比。
技術(shù)參數(shù)
Resolution | 0.29 arc-sec (90:1 gear ratio, 250 microsteps) |
Accuracy | ±72 arc-sec |
Max. Speed | Stepper Motor: 25°/sec (90:1 gear ratio), 45°/sec (45:1 gear ratio) |
Unidirectional Repeatability | 10 arc-sec |
Backlash | 125 arc-sec |
Max Load Capacity | 20.4 kg (45 lbs) |
Travel Range | 360° Continuous |
Encoder | Optical rotary encoder mounted to rear of motor, 4000 CPR with Index |
Limit Switches | None |
Origin | Optical Home Switch?Index mark on encoder |
Gear Ratio | 90:1 or 45:1 |
Stage Weight | 1.4 kg (3 lbs) |
Material | Aluminum Alloy Construction |
Finish | Black Anodize |
Operating Temperature | -50°C to 70°C |
電機(jī)選項(xiàng)

17號(hào)步進(jìn)電機(jī)
- NEMA 17高扭矩?zé)o刷電機(jī)
- 1.33安培/相
- 2.5歐姆/相
- 42盎司英寸保持扭矩
- 1.8度/步
- 與以下運(yùn)動(dòng)控制器兼容:NSC-A1系列?|?NSC-A2L系列?|?NSC-G系列