UWG-3 of our own production is made of stainless steel, and at the choice of the customer can be supplied in two types: "with calibration (OTC)", and "with calibration (metrological)".

"Calibration (QC)" is the stamp of the manufacturer's technical control department, part of the quality control system that establishes that the quality of the finished product meets the established requirements.

"Calibration (metrological)" is the above-mentioned OTC stamp plus an additional conclusion of the metrological service, followed by a stamp in the passport. Metrological calibration is suitable for enterprises where internal input control requires exactly metrological calibration for each measuring instrument.

Purpose:

Universal welder’s gage UWG-3 aims at control of preparation elements for welded joints, electrodes and pieces of welded joints.

It allows to control the depth of pockets, nicks, edge excess, the depth of butt preparation up to the root run, the level of reinforcement, gaps, root faces, the width of welded joints, the angle of bevels and the diameters of electrodes 

UWG–3 scale parameters:

• material - stainless steel;
• scale G (Г) and E division value: 0,04 in;
• scale division value: 0,02 in;
• scale D (Д) division value: 5°;
• slot width standard deviation: up to 0,13 in - on H12, over 0,13 in – on H14;
• scale G (Г) and I (И) lines deviation: no more than ±0,5;
• the deviation of scale D position from real value of the angle: no more than 2,5°;
• the deviation of interval between any scale line and the beginning of scale E from nominal value: no more than ±°0,15.

EAEU HS code: 9017 30

Operation procedure

Recommendations on measuring procedure 

• to control the depth of flaws (pockets, nicks), edge excess,  the depth of butt preparation up to the root run and the level of reinforcement, adjust the gage panel A to the surface generator of the item. Turn arm 2 round axis 4 until the end of the arm 3 meets the measured surface (surface of the nick, joint edge etc.). Take the value of scale G (Г) with the help of line K.
• to control the root face and the width of welded joint use scale E as a ruler.
• to control the size of the gap between welding units put wedge part of arm 2 into the gap as far as it will go. Take the value of scale I (И).
• to control the angle of bevels adjust the gage panel B (Б) to the surface generator of the item. Turn arm 2 until panel B of the arm meets the measured surface. Take the value of bottom scale D using panel B(Б) of the arm as an index.
• to find the diameters of electrodes (electrode wire) put them into slots J (Ж) on the gage using them as caliper gage.

• Control of the depth of flaws of the joint: 0 – 0,59 in.
• Control of the level of reinforcement: 0 – 0,2 in.
• Control of gaps: 0,02 – 0,16 in.
• Control of the root face and the width of welded joint: 0 – 1,97 in.
• Control of the angle of bevels: 0 - 45°.
• Control of the diameters of electrodes: 1,0 / 1,2 / 2,0 / 2,5 / 3,0 / 3,25 / 4,0 / 5,0.

Compliance with standards:

• Certificate of Conformity No. РОСС RU.HB61.H20736 dated 03/03/2021 issued by LLC "TSETRIM".

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