优势特点:THK高精密滚珠丝杆,BNK2020,标准轴加工,套品出厂。丝杆外径20mm,丝杠螺距20mm,滚珠丝杠和丝杠由丝杠轴的直径和螺纹的导程(或在某些情况下,螺距)指定。导程指定了丝杠每转一圈螺母行进多远,由缠绕丝杠轴的螺纹或螺旋线产生。

| 
					 公称型号  | 
				
					 行程  | 
				
					 丝杠轴长度  | 
			||
| 
					 L1  | 
				
					 L2  | 
				
					 L3  | 
			||
| 
					 BNK 2020-3.6G0+520LC5Y  | 
				
					 300  | 
				
					 410  | 
				
					 435  | 
				
					 520  | 
			
| 
					 BNK 2020-3.6G2+520LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+620LC5Y  | 
				
					 400  | 
				
					 510  | 
				
					 535  | 
				
					 620  | 
			
| 
					 BNK 2020-3.6G2+620LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+720LC5Y  | 
				
					 500  | 
				
					 610  | 
				
					 635  | 
				
					 720  | 
			
| 
					 BNK 2020-3.6G2+720LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+820LC5Y  | 
				
					 600  | 
				
					 710  | 
				
					 735  | 
				
					 820  | 
			
| 
					 BNK 2020-3.6G2+820LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+920LC5Y  | 
				
					 700  | 
				
					 810  | 
				
					 835  | 
				
					 920  | 
			
| 
					 BNK 2020-3.6G2+920LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+1020LC5Y  | 
				
					 800  | 
				
					 910  | 
				
					 935  | 
				
					 1020  | 
			
| 
					 BNK 2020-3.6G2+1020LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+1120LC5Y  | 
				
					 900  | 
				
					 1010  | 
				
					 1035  | 
				
					 1120  | 
			
| 
					 BNK 2020-3.6G2+1120LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+1220LC5Y  | 
				
					 1000  | 
				
					 1110  | 
				
					 1135  | 
				
					 1220  | 
			
| 
					 BNK 2020-3.6G2+1220LC7Y  | 
			||||
| 
					 BNK 2020-3.6G0+1320LC5Y  | 
				
					 1100  | 
				
					 1210  | 
				
					 1235  | 
				
					 1320  | 
			
| 
					 BNK 2020-3.6G2+1320LC7Y  | 
			||||
		
| 
					 丝 杠 轴 轴心的振摆 D  | 
				
					 螺母 外圆面的振摆 H  | 
				
					 法兰 垂直度 I  | 
				
					 螺纹沟槽面的振摆 J  | 
				
					 导程精度  | 
				
					 螺母质量 kg  | 
				
					 轴质量 kg/m  | 
			|
| 
					 代表运行距离误差  | 
				
					 变动  | 
			||||||
| 
					 0.05  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.027  | 
				
					 0.02  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.075  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.05  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.03  | 
				
					 0.023  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.075  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.065  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.03  | 
				
					 0.023  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.09  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.085  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.035  | 
				
					 0.025  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.12  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.085  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.04  | 
				
					 0.027  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.12  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.11  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.04  | 
				
					 0.027  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.15  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.11  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.046  | 
				
					 0.03  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.15  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.11  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.046  | 
				
					 0.03  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.15  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
| 
					 0.15  | 
				
					 0.015  | 
				
					 0.011  | 
				
					 0.012  | 
				
					 ±0.046  | 
				
					 0.03  | 
				
					 0.39  | 
				
					 2.04  | 
			
| 
					 0.19  | 
				
					 0.03  | 
				
					 0.018  | 
				
					 0.014  | 
				
					 运行距离误差∶±0.05/300  | 
				
					 0.39  | 
				
					 2.04  | 
			|
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