Lathe CNC Tongtai TB-20Y

Ref.: TB-20Y

Max. swing over saddle 340
Max. turning length 570 [540]
Spindle Speed 4.500
Go to technical specs

The TB series of Tongtai's CNC lathes has a saddle with 60 degree slant design provides high rigidity structure. With symmetrical saddle design for better air circulation, it decreases the chance of heat distortion. Modular structure design for spindle module, turret module, tailstock and sub-spindle module to achieve the multi-tasking applications purpose and create the best investment. 

The preloaded ball screw reduces thermal distortion and ensures the machine's continuous performance and precision.

Technical specs

Characteristics
Brand TONGTAI
ModelTB-20Y [YB]
Max. Swing Diametermm620
Max. swing over saddlemm340
Max. turning diametermm330
Max. turning lengthmm570 [540]
Spindle NoseA2-6
Spindle Speedrpm4.500
Chuck sizeInch8
Through-Spindle Hole diametermm62
Bar capacitymm51
Min CS axis indexing incrementº0.001
Chuck size (Sub spindle)Inch- [6]
Through-Spindle Hole diametermm- [35]
Spindle bearing diameter (Sub spindle)mm- [90]
Min (Sub spindle)º- [0.001]
Tool ShankVDI 40
Tool storage capacitypc12
O.D. Toolmm25x25
I.D. Toolmm40
Max. Tool Diametermm20/ M16
Cutting feedratemm/REV0.001 - 500
X/Y/Z/B axis servo motorkw2.5/ 1.8/ 2.5/ - [1.8]
Tailstock travelmm600 [ - ]
Center diametermm56 [ - ]
Coolant tank capacityl160
Coolant motorkw0.55
Hydraulic tank capacityl30
Hydraulic motorkW/L1.5
X/Y/Z/B axis rapid traversemm/min24/ 15/ 30/ - [24]
X/Z/B axis strokemm230/ ±51/ 600/ - [600]
Tailstock taperMT#5 [ - ]
Floor space (LxWxH)mm2.800 [3.200/ 3.150]x1.940 [2.010/ 2.160]x2.210 [2.210/ 2.330]
WeightKg4.800 [5.100/ 6.200]

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