“Construction Welder based Frequently Asked Questions in various Construction Welder job interviews by interviewer. These professional questions are here to ensures that you offer a perfect answers posed to you. So get preparation for your new job hunting”
I will be working in engineering field only, but I like to be inresearch submitting papers based on robotic welding and also like to develop processes with high speed , reliability but stick on to a defect free welding.
Personal protective equipment includes
Hearing protection: Reaming, hammering, loading and unloading material all produces unbearable noise. Hearing protection is a must in such condition
Eye protection: Wear transparent glasses it helps to protect eyes while drilling, burning, grinding and welding process
Head protection: A helmet is a must for iron and steel worker, as they are at continuous risk of getting injury by heavy equipment
Skin protection: It protects their skin from burns, U.V radiation from the sun, welding radiation, full-length pants and leather faced gloves
Foot protection: Worker must wear certified grade boots. The should have a slip resistant and shock resistant soles to prevent an accident
Hand Protection: Use gloves based on site conditions as temperature, shock resistant, prevent cut and bruises and easy to perform work with it
Apart from this, worker must use safety devices like safety belts, scaffolding and nets to reduce risks.
While working on plant, there are many things they are exposed to
☛ Loud noise during welding or bolting process
☛ Very hot or cold weather
☛ Contaminants
☛ Hazardous equipment that may lead to injuries
☛ Open electric circuits, wires and boards
☛ Risk of falling from height
☛ Dim or bright lights
Robot welding systems are considered refurbished once they have passed through RobotWorx’ comprehensive 168-point reconditioning process.
Each used robot welding system is thoroughly cleaned, reworked, tested, and given a fresh coat of paint. Our robot service department pays close attention to every aspect of robot welding systems by performing the following:
☛ Harmonic drive and belt assembly inspection/cleaning/lubrication and replacement as needed.
☛ Battery replacement
☛ Wire harness inspection
☛ Bearing check and lubrication
☛ Repeatability and performance testing
API 1104
Physical strength that a steel and iron worker requires
☛ Static strength
☛ Manual Dexterity
☛ Multi-limb coordination in any position
☛ Head and arm steadiness
☛ Far and Near vision
☛ Trunk strength
☛ Maintaining stability and posture at heights
While Metal Inert Gas (MIG) and Tungsten Inert Gas (TIG) are both shielded arc welding applications, they are very different from one another. MIG welds are created with a consumable electrode, while TIG welds are created with a non-consumable electrode. TIG welding typically includes filler metal as well.
TIG and MIG arc welding can both be automated. However, TIG is a more complicated process so the equipment is more expensive and difficult to set-up. Find out more about the pros and cons of MIG vs. TIG.
Base metal classification, cleaning, Alignment, root gap, root face, bevel angle & mismatch (or) overlap.
Welding robots are equipped with internal and external safety features. Light curtains, safety stops, walls, weight-sensitive mats, and shielding protect the robot and the robot operator. Other safety features are programmed into the robot. Vision peripherals can also work as safety devices.
Furthermore, welding robots provide a safe alternative to manual welding. Unlike their human counterparts, welding robots don’t run the risk of electric shock, severe burns, eye damage, etc.
Instead, they remove workers from the danger zone to the safety of operator’s positions. They are oblivious to the bright light, sparks, chemical fumes, and extreme heat caused by welding applications.
Improved the welding process which cut the tack times and cycle times down by 50% that was in time 40 min. Which then increased production and profitability.
☛ Prototype tooling as basic part fixturing, as well as the use of manual clamping and rigid steel framing that is fabricated from a customer’s parts.
☛ Prototype tooling provides a concept of what the production tooling is meant to be. It is not meant for production tooling. When the prototype tooling is tried out, final tooling could be quoted to you and provided.
☛ Prototype tooling does not include: part presence sensors, tooling design drawings or pneumatic clamping and isn’t subjected to a customer’s specifications or original design. Prototype tooling demonstrates the correct way to weld the part and also shows how tooling can be instituted at low cost to the customer.
The vertical or horizontal framework to which sash, siding or another finished material is attached is referred as girts.
The SMAW process is an arc welding process also known as shielded metal arc welding. It is utilized in welding a variety of materials with an electrode attached to a constant current power source connected to a rod holder. The welding process is one of few where shielding gas is not required.
A career as a welding engineer is what I have invested my time and energy in to achieve the past 5 years. I enjoy being a valued assest in the manufacturing processes that utilized my welding knowledge and expertise to produce the best product for the customer. With welding being an underappreicate skill and profession, I relish in the opportunities to educate my coworkers on the importance of materials joining and the complexity of the science behind welding.
In performance qualification, the basic criteria established for welder qualification is to determine the welders ability to deposit sound weld metal. The purpose of the performance qualification test for the welding operator is to determine the welding operators mechanical ability to operate the welding equipment.
Welding process releases poisonous gas or dust, when welding is done on steel structure coated with lead containing paints.
In base metal thickness, P-number, dia of pipe, pre, post weld heat treatment
In filler metals F,A-numbers, dia
☛ Inventory tracking and management software
☛ Cost estimating software
☛ Computer aided design CAD software
☛ Accounting software
Gas Metal Arc Welding is a welding method more commonly referred to as GMAW or MIG welding.
Typically used in the automotive and sheet metal industries, GMAW can be an automatic or semi-automatic process. GMAW provides high quality welds at a low cost to the manufacturer.
This arc welding application feeds a GMAW metal consumable electrode and shielding gas through the welding gun. An electrical current travels down the electrode and strikes the arc between the metal being welded and the wire electrode.
Unless welding is performed with a very low current, a concave dip, called a crater occurs at the end of a weldment.
This crater results from the force of the arc and the contraction of melted metal when it cools and solidifies. The size of each crater relates directly to the welding current. Craters are not desirable because they cause a welding defect due to slag wrapping.
Crater welding is one method used to fill craters. It requires regular welding current. There are control sequences that allow you to switch to a crater filler current.
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