Home Computer Vision 3 Automotive Tube Functions The place Weld Inspection is Vital

3 Automotive Tube Functions The place Weld Inspection is Vital

3 Automotive Tube Functions The place Weld Inspection is Vital


Tube fabricators are always confronted with a myriad of enterprise pressures to ship a top quality product at the most effective worth typically with tight supply schedules from their clients.

A few of these finish clients face their very own pressures as the usage of the tubes of their merchandise expose them to potential legal responsibility points.

No the place are these pressures as acute as within the automotive business, the place excessive paced manufacturing schedules, altering deliveries and onerous price and high quality calls for make for a difficult surroundings into which fabricators promote their merchandise.

High quality inspection programs such because the Xiris WI3000 laser in-line weld inspection system is an important software for essentially the most demanding automotive tube product to see defects that aren’t.


Brake Strains

Automotive brake strains have developed over time from a double layer brazed tube to a single layer welded tube.

The change has been made largely to the top quality of the longitudinal welding course of in addition to superior high quality management instruments such because the Xiris WI3000 laser in-line inspection system.

Including an inspection system when fabricating this sort of tube is crucial for fabricators due to the security, sturdiness and regulatory compliance calls for of the business.

Within the discipline, brake strains carry pressurized brake fluid, which is liable for transmitting hydraulic power to the brake calipers or wheel cylinders.

Any weak spot or failure within the welds may lead to a lack of brake fluid, resulting in brake failure, doubtlessly making a legal responsibility for the tube maker and their buyer.

Given these components, the welds on metal automotive brake strains are essential for the dependable and secure operation of the braking system. Making certain correct forming and weld processes are important to make sure the integrity and longevity of the welds within the discipline.

Stainless Brake Line Tubes with fittings - courtesy JEGS

Stainless Brake Line Tubes with fittings

Gas Strains

Automotive gas strains are designed to hold flammable liquid gas below stress from the gas tank to the engine.

Any weak spot or failure within the welds may end up in gas leakage, which poses a major security hazard within the discipline.

A further problem with gas strains is how they’re designed into the automobile’s gas supply system. Typically, one gas line is linked to a different gas line that makes use of clamps and a perforation to supply a secondary circulate path.

The problem there’s for the clamp to work completely, it has to have an ideal seal across the tube. Any small scratch or floor defect may create a pathway for the gas to leak out of the clamp, doubtlessly inflicting failures within the discipline.

The answer is to make use of an superior high quality management software such because the Xiris WI3000 to examine the tube on the level of welding to detect any floor defects which might be bigger than an appropriate tolerance. Defects equivalent to a sunken or raised weld, weld undercut or mismatch may all create an undesirable pathway for liquid to circulate.

A secondary inspection of the complete floor of the finished gas line will also be completed with the Xiris WI3000 for a similar causes, to search for vital scratches wherever on the skin of the tube, not simply the world across the weld, as any clamps utilizing on the tubing may have a leak at any level on the floor.

Contemplating the security dangers, efficiency implications, regulatory necessities, and materials compatibility, inspecting the welds on metal automotive gas strains are essential, as is the inspection of the whole floor in some circumstances, for the dependable and secure operation of the gas system.

Implementing a laser in-line inspection system on the tube mill may also help to ship the rigorous high quality management measures which might be important to keep up the integrity and longevity of the gas strains within the discipline.

Small Diameter Stainless Steel Fuel Line Tubing - courtesy jawaysteel

Small Diameter Stainless Metal Gas Line Tubing


Exhaust Tubes

Trendy automotive exhaust tubes are most frequently made from thin-walled tubing the place any small variation as a consequence of mismatched strip edges when forming, or outsized weld beads generally is a large drawback within the discipline.

As a part of a ending technique of the thin-walled tubes, fabricators typically grind down the world across the weld bead to supply a clean spherical end.

Nevertheless, if the tube has a slight mismatch to it in the course of the welding course of, the grinding course of may take away a few of the father or mother materials, lowering the wall thickness close to the weld bead. The result’s a tube that has diminished specs due to a thinner wall section that may very well be a possible failure level.

Some fabricators might forgo the method of grinding the weld bead altogether, utilizing as an alternative a weld course of that generates a small weld bead. Nonetheless, the tube may nonetheless be topic to mismatch of the strip edges throughout welding that might trigger an out of spherical or bigger diameter tube section.

With some exhaust tube designs embody the precision meeting of two or extra tubes collectively, a barely out of dimension tube might not match the meeting course of and be rendered scrap. This generally is a catastrophe for the fabricator as whole shipments should be returned, inspected and presumably reworked.

Thus the necessity for an inspection system such because the WI3000 laser in-line inspection system that may exactly measure out of spherical forming and mismatch between strip edges right down to about 0.010 mm (0.0004”).




Contemplating the security dangers, efficiency implications, regulatory necessities, and harsh working situations, the welds on automotive brake strains, gas strains and exhaust tubing are vital for the correct functioning of those tubes in use within the discipline.

Using a weld inspection system that may see forming points and welding defects as quickly as they occur in order to alert operators previous to extra worth being added downstream in a tube mill is a fully vital element of a complicated high quality and course of management measure wanted to make sure the integrity and sturdiness of the welds in automotive tubing.


To be taught extra about how one can implement Xiris inspection programs, attain out to our product specialists. 


Keep updated by following us on social media or subscribe to our weblog! 

Instagram Facebook LinkedIn Twitter



Please enter your comment!
Please enter your name here