HGZ Models Self Adjustable Welding Rotator

HGZ Models Self Adjustable Welding Rotator
HGZ Models Self Adjustable Welding Rotator
HGZ Models Self Adjustable Welding Rotator
HGZ Models Self Adjustable Welding Rotator
HGZ Models Self Adjustable Welding Rotator

Description

Reviews

Functions and Features

By learning the advanced technology from foreign countries, we developed HGZ model rotators according to the ZBJ3303-90 stardard of mechanism industry of Peoples Republic of China. They are widely used in automatic welding of round or ring metal, and  they are also an ideal equipment in pressure vessel manufacturing field. They have reliable quality, advanced functions and are easily operated. 

HGZ Models Self Adjustable Welding Rotator
HGZ Models Self Adjustable Welding Rotator
Specifications
      Model HGZ-5 HGZ -10 HGZ -20 HGZ -30 HGZ -40 HGZ -60 HGZ -80 HGZ -100
Max Loading Capacity (Ton) 5 10 20 30 40 60 80 100
Diameter of working piece(m) 0.25-2.5 0.32-3 0.5-3.8 0.5-3.8 0.6-4.5 0.7-5 0.8-5.5 1-6.5
Diameter of rollers(mm) 250 300 350 350 400 450 450 500
Roller width(mm) 140 170 180 180 200 220 240 280
Roller speed(m/h) 6-60
Motor power(kw) 0.75 1.1 2.2 3 3 4 5.5 7.5
Speed adjusting method Electromagnetic stepless speed control
Structure and principle

HGZ models are self-adjustable welding rotators. Every model consists of two parts: initiative part and passive part. The two speed reducers, which make the initiative rollers rotate, work together at the same time. The speed regulating motor and actiyator achieve the stepless speed controlling. The working piece rotates stably. The speed of rotating of working piece is 6-60m/h. It can meet the requirement of all kinds of welding.

Repair and commissioning

The fixing and debugging of the machine is very important before using the machine. This machine requires cement structures ground. The thickness of cement structures ground should be more than 200mm.

1. Before fixing, please make sure that the machine is on a horizontal line, and maintain the cement structures ground regularly.

2. When fixing the machine, it can be fixed by expansion bolt. Please make sure the two parts of rollers are parallel.

3. After fixing, please check every part of the machine, make sure the connecting of wires correct, clean the outside of the machine to make sure there is nothing effecting the working of machine.

4. Operating: After starting the machine, if there is sound or vibration, please eliminate the fault by doing as follows: put the working piece on the rotator, and try to let the rollers rotate 360º, check if the working piece keeps close to the rollers, if the rollers`vibrate. If yes, please adjust the position of machine.

HGZ Models Self Adjustable Welding Rotator
HGZ Models Self Adjustable Welding Rotator
The operating of machines

After fixing the machine well, the machine can be connected to the power.

1. After starting the machine, if there is sound or vibration, please eliminate the fault by doing as follows: put the working piece on the rotator to check if the position of working piece is proper, if the working piece keeps close to the rollers, if there are things in the way of rotating. After everything goes well, the machine can be operated.

2. Before starting the motor, first please check the connecting of wires. If the connecting of wires is correct, turn on the switch of power, then start the motor. Please check the direction of rotation is the same as required. Turn the speed knob to the speed as required.

The rotators can be controlled by the buttons on the panel to achieve the long distance operation.


Note: If you want to change the rotating direction, please make sure the motor fully stops, then press the button of another direction. Otherwise, the motor and other components are easily to be destroyed. After finishing working, please turn the speed knob to the smallest, then turn off the speed switch and switch off the power. 

Maintenance of machines

When checking or maintaining the machines, please make sure the power is cut off and pull out the power plug.

1. Add 30# oil to the speed reducer, at the very beginning, change it after every one month, and later change it every half month.

2. Rubber rollers can not touch oil or be put in high temperature condition.

3. The earth connecting cable can not be put up to the rotators in case the bearings are destroyed.

4. Before starting the machine everyday, please check if the environment meets the requirement: no rain water, no corrosive gas, the temperature is proper.

5. Check if there is sound, vibration or smell.

 Check regularly:

1. The voltage of power should be in the allowed range.

2. Clean the dust on the speed controller and panel.

3. Check the power, if there is destroyment, change it in time.

4. Check ther electric box to see if there is any hidden trouble destroying the components.

5. Check the joint bolts. If there is any loose bolt, tighten it.

Common fault and eliminating methods

1. Fault: the motor of rollers stops working.

Probable reasons:

· The input voltage is not correct.

· The button is broken.

· The long distance controlling box is not connected.

· Contactor is broken.


Eliminating methods:

· Input the correct voltage.

· Repair or change the button.

· Put in the plug.

· Change the contactor.

 

2. Fault: no speed adjusting.

Probable reasons:

· Potentiometer is broken

· Electromagnetic governor is broken.


Eliminating methods:

· Change it.

· Repair it.

Safty warning 

Warning:protect yourself and others from injury or death.

1. Prevent electric shock

2.  Prevent burn

3. Prevent poisonous gas

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