Safety Assurance on Developing and Producing Wuxi JACK Welding Positioner
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Safety Assurance on Developing and Producing Wuxi JACK Welding Positioner

Views: 1125     Author: Site Editor     Publish Time: 2022-12-20      Origin: Site

Safety Assurance on Developing and Producing Wuxi JACK Welding Positioner

The Subject of This Blog on Welding Positioner:

1. Security is the foremost issue during operation of Welding Positioner: It should be paid great attention on by customers before put into use, and by suppliers during its development;

2. In this short blog, we will have a brief discussion on topics involving safety of Welding Positioner:

  • Importance of Safety Assurance and Related Safety Risk during Operation of Welding Positioner;

  • Safety Assurance in Wuxi JACK 2 Axis Standard Type Welding Positioner and its Rotary Welding Table;

  • Safety Assurance in Wuxi JACK 3 Axis L Type Elevating Welding Positioner and its Welding Turning Table;

  • Safety Assurance in Wuxi JACK 3 Axis Head and Tail Welding Positioner and its Rotary Welding Table


A. Importance of Safety Assurance and Related Safety Risk during Operation of Welding Positioner:

1.       During application of Welding Positioner, especially those with large size and heavy weight Welding Turning Table, for example: L Type Elevating Welding Positioner, or Head and Tail Welding Positioner, there exist certain degree of safety risk, which should be taken great caution to eliminate ahead of time;

2.       Without proper measures, safety risks of Welding Positioner operation will bring along dangers of:

1)       Serious working personnel harm;

2)       Damage of workpiece and Welding Positioner, Rotary Welding Table;

3)       Inferior welding quality delivered from Welding Turning Table;

3.       The main potential safety risks during running of Welding Positioner can be attributed as:

1)       Unreliable Stoppage of Rotary Welding Table in All Kinds of Welding Positioner;

2)       Sudden Falling Down of Welding Turning Table and workpiece;

3)       Out of Synchronization at both ends of workpiece elevation in Head and Tail Welding Positioner.


B. Safety Assurance in Wuxi JACK 2 Axis Standard Type Welding Positioner and its Rotary Welding Table:

1.       HB series 2 Axis standard Welding Positioner has the biggest using volume. Shown as below: (Fig.1)

Fig1 Welding Positioner

2.       Working actions of 2 Axis Standard Welding Positioner are:

1)       0°~ 360° revolving in adjustable welding speed of Welding Turning Table;

2)       0°~ 120° tilting in constant velocity of Welding Turning Table;

3.       The Safety Assurance Measures Taken in 2 Axis Standard Welding Positioner are:

1)       The motors for driving revolving and tilting of Rotary Welding Table are all braking type, guaranteeing its reliable stoppage when necessary;

2)       Conductive rod is installed beneath Rotary Welding Table, forming a welding current circuit in the Welding Positioner, and avoiding the issue of electricity leakage: (Fig.2)

Fig2 Welding Positioner 8- 100_9833

3)       Calculate and validate torque and eccentricity distance sketch of Welding Turning Table, for every model of Welding Positioner: (Fig.3)

Fig3 Welding Positioner 10- IMG_4906


C. Safety Assurance in Wuxi JACK 3 Axis L Type Elevating Welding Positioner and its Welding Turning Table:

1.       LBS Model 3 Axis L Type Elevating Welding Positioneris a kind of very important welding equipment, with working actions of:

1)       Up and down elevating movement of its Rotary Welding Table within vertical stroke;

2)       0°~ 360° revolving in adjustable welding speed of Welding Turning Table;

3)       0°~ 360° rotating in fixed speed of Welding Turning Table, shown as below: (Fig.4)

Fig4 L Type Elevating Welding Positioner 11- P1000211

2.       The Safety Assurance Measures Taken in Wuxi JACK 3 Axis L Type Elevating Welding Positioner are:

1)       The motors for driving revolving and rotating of Welding Turning Table are all braking type, guaranteeing its reliable stoppage when necessary;

2)       The elevation of Rotary Welding Table is driven with hydraulic oil cylinders, and guided with double pieces of precise linear guiderail, shown in below Wuxi JACK 2 Ton L Type Elevating Welding Positioner: (Fig.5)

Fig5 L Type Elevating Welding Positioner 3- QQ图片20140819083812

3)       Advantages of such design and configuration in L Type Elevating Welding Positioner is,

a)       Compared with motor drive and leadscrew transmission in L Type Elevating Welding Positioner produced by some other suppliers,

b)      Hydraulic oil cylinder drive for Welding Turning Table elevation in Wuxi JACK L Type Elevating Welding Positioner has heavy and strong driving force, as well as reliable working of elevation.


D. Safety Assurance in Wuxi JACK 3 Axis Head and Tail Welding Positioner and its Rotary Welding Table:

1.       Head and Tail Welding Positioner is a kind of complicated and large welding equipment, for fabricating diversified long length and heavy weight structure members;

2.       There are 2 types of Head and Tail Welding Positioner in Application:

1)       The 2 sets of upright columns and Rotary Welding Table are connected by means of a horizontal beam: (Fig.6)

Fig6 Head and Tail Welding Positioner

2)       There is no direct connection between the 2 sets of upright columns and Rotary Welding Table in the installed Head and Tail Welding Positioner: (Fig.7)

Fig7 Head and Tail Welding Positioner 100_1105

3.       The Main Working Actions of Welding Turning Table in Head and Tail Welding Positioner:

1)       Vertical movement of Welding Turning Table within its stroke;

2)       0°~ 360° revolving in adjustable welding speed of Welding Turning Table;

3)       0°~ 360° rotating in fixed speed of Welding Turning Table;

4.       The Safety Assurance Measures Taken in Wuxi JACK Head and Tail Welding Positioner:

1)      Driving System of the Rotary Welding Table Elevation and Revolve in Head and Tail Welding Positioner:

a)       The motors and reducers for driving Welding Turning Table elevation and revolve are all double stage style with self-lock function;

b)      The first stage is gear reducer, guaranteeing delivering of heavy torque;

c)       The second stage is worm reducer with self-lock function;  

d)      The elevating servo motors at both sides of Rotary Welding Table and workpiece also have self-lock function;

e)       The Rotary Welding Table revolve driving motor is braking type motor;

All of these fully guarantee reliable braking of both elevation and revolve for Welding Turning Table, in the process of Head and Tail Welding Positioner operation;

2)      1.5~2 Times Safety Margin on Theory Calculation for Model Selection and Mechanical System of Welding Turning Table Elevation and Revolve in the Head and Tail Welding Positioner:

The design and model selection on revolve motor reducer/ mechanical transmission components of the Head and Tail Welding Positioner all have ample safety margin:

a)       Calculation is based on standard of 1.5 times safety margin;

b)      The core element (Bearing/ Slewing support) has 2 times safety margin;

3)      Transmission of Rotary Welding Table Revolve in Head and Tail Welding Positioner:

a)       The revolve of welding turning table is realized with slewing support in Wuxi JACK Head and Tail Welding Positioner: (Fig.8)

Fig8 Head and Tail Welding Positioner -1

b)      Upon its revolve at target angular position, there are 8 pieces of air cylinders around the full circle of slewing support to lock the slewing support firmly;

4)       Mechanical Safety Measure for Rotary Welding Table Elevation in Head and Tail Welding Positioner:

a)       Wuxi JACK designs row of safety holes at internal surfaces of the Welding Turning Table;

b)      Upon Rotary Welding Table elevated to target level, there are safety pins to have double assurance on completely safety of the Head and Tail Welding Positioner: (Fig.9)

Fig9 Head and Tail Welding Positioner 2

c)       These safety pins will be plugged into the safety holes, to avoid the risk of accidental dropping down of Rotary Welding Table and workpiece;

d)      The plug-in and pull-out of safety pins is implemented with manual job.


E.       Summary on Safety Assurance of Welding Positioner:

1.       The safety measures listed in this short blog are just examples for your reference;

2.       As a kind of special design Welding Positioner, more safety measures are put into practice in every business case of Wuxi JACK L Type Elevating Welding Positioner, together with Head and Tail Welding Positioner;

3.       If you have interest, please visit product family of Wuxi JACK Welding Positioner.


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