Custom Made Tie rod/Column for 4-column presses

Name: Custom Made Tie rod/Column for 4-column presses

Those tie rods are popular to use onto 4-column rubber moulding presses,which comprised by column with chunck nut,nut,lock nuts.This tie rod has made by 1045 steel rod with heat treatment to increase the hardness and adding on chrome plating layer to increase resistance ability.Nuts need to be prefect fit with pillar threads to make the hydraulic press table move smoothly 

Application

Custom Made Tie rod/Column for 4-column presses

Main features

1. Raw steel:1045 steel rod with Ultrosand testing
2. Heat treatment before lathe has applied to increase hardness

3. Chrome plating layer has been added on to increase the resistance ability

4. Nuts are made by 1045 steel rods with heat treatment too 

5. Assembly nuts and tie rods have been done 

.

Product Mximum Capacity

CNC machinery:

1. CNC Horizontal lathe: Max Dia 2000mm* Length 15 Meter

2. CNC Deep hole boring machine : Dia1500mm * Length 15 Meter

3. Cylinder body inside grinding machine : Dia1500mm * Length 15 Meter

4. CNC Vertical lathe DIA.5 meters

5. CNC miller:Width 3 meter,length 8 meter

Main machinery procedure

1. Raw material cutting 

2. Lathe into dimension and Ultrosand testing 

3. Grinding cylinder body inside diameter into tolerance

4. Piton rod lathe into dimension

5. Piston rod heat treatment and surface hardened

6. piston out-diameter grinding

7. Piston out surface chrome plating

8. Grinding the piston out surface into tolerance

9. Assembly flange ring with seals and support rings

10. Assembly flange ring into cylinder body

11. Pressure testing

12. Painting and warehouse

Hydrauliic testing:30 Mpa Holding time 2 hours

Cylinder body with brass guide sleeve before assembly:

Tie rods for 1200 tons 4 columns rubber moulding press:

Square threads:

Lock Nuts