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項目	Item	MA1420A	MA1420A/750
磨削直徑范圍	Grinding diameters	8～200 mm	8～200 mm
磨削孔徑范圍	Gringing bores	13～80 mm	13～80 mm
******磨削長度	Max grinding length	500 mm	750 mm
******磨孔長度	Max grinding depth	125 mm	125 mm
工作臺******移動量	Max travel of table	600 mm	800 mm
液壓移動速度	Hydraulic traverse speeds	0.1～4 m/min	0.1～4 m/min
工作臺轉動范圍	Swivel range of the table	-5°～+9°	-3°～+9°
砂輪******線速度	Max peripheral speed of grinding wheel	37 m/s	37 m/s
砂輪尺寸	Wheel dimensions	300X40X127 mm	300X40X127 mm
頭架主軸轉速	Speeds of headstock spindle	60,85,120,170, 230,460 r/min	60,85,120,170, 230,460 r/min
電機總容量	Coolant pump drive motor	8KVA	8KVA
機床外形尺寸（長X寬X高）	Overall dimensions (LxWxH)	2000X1420X1600 mm	2700X1420X1600 mm
機床重量	Weight of machine	2100 kg	2600 kg

工作精度 Working Accuracy

Main Accessories主要附件

1	冷卻液箱　Coolant tank	1 set
2	開式中心架　Open center rest	1 set
3	砂輪修整器　Grinding wheel dresser	1 set
4	砂輪夾板　Grinding wheel clamp	2 sets
5	砂輪平衡器　Grinding wheel balancer	1 pc
6	合金******　Carbide-tipped center	2 pcs
7	半缺******　Half center	2 pcs
8	夾頭　Chuck	1 set
9	雙頭扳手　Double end werch	6 pcs
10	內六角扳手　Socket head screw wrench	5 pcs
11	六角套筒扳手　Hexagon socket wrench	1 pc
12	三角膠帶　Vblet	2 pcs
13	支點底座　Support iron	3 pcs
14	松卸螺帽　Dismountingnut	1 pc
15	三爪卡盤　Three jaw chuck	1 set
16	閉式中心架　Closed center rest	1 set
17	內磨接長軸　Grinding wheel arbors for internal grinding	4 sets