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Taper threading machine
YDZTS-40C Rebar Taper Thread Cutting Machine is designed and manufactured by Hebei Yida Reinforcing Bar Connecting Technology Co., Ltd. It is mainly used as a special equipment to make taper thread on the end of the rebar in the processing of rebar connection. Its applicable diameter is from ￠ 16 to ￠ 40. It applies to Grade Ⅱ and Ⅲ level rebar. It has reasonable structure, light and flexible, simple operation, high production efficiency. It is widely used in steel bar end processing of taper thread joints in concrete
works .It adapts to a variety of complex construction site environment.

The main performance parameters:
Processing of bar diameter range: ￠ 16mm ￠ 40mm
Processing thread length: less than or equal to 90mm
Processing steel Length: greater than or equal to 300mm
Power: 380V 50Hz
Main motor power: 4KW
Reduction ratio reducer: 1:35
Rolling head speed: 41r/min
Overall dimensions: 1000 × 480 × 1000 (mm)
Total weight: 510kg

Standard taper thread couplers are designed to splice the same diameter bars where one bar can be rotated and the bar is not restricted in its axial direction.It is designed to achieve failure loads in excess of 115% of  the caracterisitc strength of grade 500 rebar and.

Dimensions of Taper Thread Coupler:

Size(mm)    Out diameter(D±0.5mm)    Thread    Length(L±0.5mm)    Taper Degree
Φ14    20    M17×1.25    48    6°
Φ16    25    M19×2.0    50    
Φ18    28    M21×2.0    60    
Φ20    30    M23×2.0    70    
Φ22    32    M25×2.0    80    
Φ25    35    M28×2.0    85    
Φ28    39    M31×2.0    90    
Φ32    44    M36×2.0    100    
Φ36    48    M41×2.0    110    
Φ40    52    M45×2.0    120    

Transition taper thread couplers are designed to splice different diameter bars where one bar can be roated and the bar is not restricted in its axial direction.

Taper Thread Working Principle:
1.Slice up the end of the rebar;
2.Make the rebar taper thread cutted by taper thread machine.
3.Connect together two taper thread end by One piece of Taper Thread Coupler.