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High speed hydraulic Automatic three axis rebar tapered thread machine

1 Rebar Tapered Thread Machine surface roughness less than turning,milling and grinding;
2. Processed products than two-axis rolling machine products processed verticality,concentricity,etc. better,higher precision;
3. Material utilization is high;productivity is doubled from cutting,and it is easy to automate;
After-sales Service :
Thread Pitch:
  • Z28-30
  • Greatcity
  • 8462419000

Rebar Tapered Thread Machine is a multifunctional cold extrusion rolling thread machine, the workpiece in the cold rolling pressure range can be made to straight lines, twill, spur, helical and bevel gear spline rolling; straightening, necking, rolling light and various rolling forming. The machine has safe and reliable electric liquid control system and implementation, which can make each work cycle in manual, semi-automatic and automatic selection in three ways.


The cold rolling is an advanced non cutting process, which can effectively improve the internal and surface quality of workpiece, the radial compressive stress produced during processing, and can significantly improve the fatigue strength and torsion strength of the workpiece. It is an ideal process with high efficiency, energy saving and low consumption.


Working principle:

L and R are two pairs of involute rolling wheels with the same parameters, which are installed on two spindles of the Rebar Tapered Thread Machine , and can rotate synchronously under the drive of the transmission mechanism.The R wheel can be driven by the oil cylinder for radial feed motion, and the L wheel can be adjusted by adjusting the mechanism to coincide with the indentation of the R wheel on the surface of the workpiece P. The P locate the two center hole clamping, the adjustment fixture can make the axial movement in the force around the fixture O and spindle parallel to the axis of an angle, to ensure that the workpiece in the cold rolling process and keep two rolling wheels to roll in the free state, and convenient clamping the workpiece. The structure size, geometrical tolerance and technical requirements of the rolling wheel are formulated according to the rolling wheel and cylindrical measuring gear. The length of the normal line or the cross bar distance of the rolling wheel M is calculated according to the spline data of the gear, and the required material can be Cr12MoV (hardness 59 ~ 62HRC)

SPECIFICATIONS   FOR GREATCITY Rebar Tapered Thread Machine ZP28-30-

Diameter for the threads rolled


Range of pitch rolled


Length of thread rolled

In feed or Thru feed

Spindle speed


Outside diameter of rolling die


Inside diameter of rolling die(keyway)


Thickness of rolling die

110mm distance between die spindles

120mm distance between die spindles



5-35 pcs/min

Machine motor


Hydraulic motor


The highest feed pressure


Z28-30 Rebar Tapered Thread Machine images show :

Thread rolling machine - greatcity machinery (7)

Thread rolling machine (4)

Our service :

1 Strong R&D team, OEM and ODM service.

2. If customer visit our factory and check the Rebar Tapered Thread Machine, we will teach you know to install and use the machine.

3.Without visiting, we can send you user manual and video to teach you to install and oprate.

4.All the productions has 12 months warrantly, after that we can suppply the material or teach support.

hydraulic thread rolling machine (4)

hydraulic thread rolling machine (5)

hydraulic thread rolling machine (6)

hydraulic thread rolling machine (7)

hydraulic thread rolling machine (8)

hydraulic thread rolling machine (1)

if any Rebar Tapered Thread Machine  question ,feel free to contact me !





Add : Block B, 1902, Tangning International Building Quannan Road , Qiaodong district ,xingtai City, Hebei province,China
Phone : +86-15830684624
Skype : lucy921227
Block B, 1902, Tangning International Building Qiaodong District, Xingtai City,Hebei Province.China
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GREATCITY mechanical products, easy to operate, high efficiency, good service!




 Tel: +86-319-5206318
 Phone: +86-15830684624
 Add: Block B, 1902, Tangning International Building Qiaodong District,Xingtai City,Hebei Province.China


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