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Summary of Contents for Omega 350C
- Page 2 ◀ Guarantee Certificate ▶ The warranty of products shall confirm to the specification set forth in the article 2 'Configuration and Specification" for 12 months from the date on Bill of Lading. The extent of seller's liability under this warranty shall be limited to the repair or replacement as herein provided of any defective parts thereof.
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Page 3: Table Of Contents
◀ CONTENTS ▶ 1.PRODUCT INTRODUCTION 2.CONFIGURATION AND SPECIFICATION 3.INSTALLATION 4.HANDLING AND OPERATION 5.SAFETY INTRODUCTION 6.MAINTENANCE AND INSPECTION 7.TROUBLE SHOOTINGS 8.WELD CONDITION 9.CO 2/MAG INVERTER CIRCUIT DIAGRAM Before using welding machine, users have to read the all contents described by manual to have better quality of weld, and to reduce maintenance works. -
Page 4: Product Introduction
1. Product Introduction SAMJIN WEL TECH, Inverter C02/MAG ARC Welding Machine sustains excellent stability under the changes of input power or surrounding temperature by using I.G.B.T, and covering from thin plate to thick plate through very stable ARC and minute adjustment due to welding parameter, and it is suitable in automatic welding and high speed welding. - Page 5 2-3 . Electrical apparatus Type 350 C 500 C Item 75 A 1st cable 10SQ or above 16SQ or above Grounding cable 5.5 SQ or above 3. Installation 3 1 . Installation Diagram Flg1. Full Installation Diagram Voltage selection Connection with Connection with Single phase / Triple phase...
- Page 6 3)The area where the surrounding temperature is in 10~40°C range. 4)The altitude of the location shall not higher than 1000m above the sea level. 3 3 . Cautions in grounding 1)The welder must be grounded, or electrical current of the case causes the unstability of operation and accidents.
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Page 7: Handling And Operation
4)Ground: Ground terminal is behind of the inverter welder. The connection cable shall be 10SQ or above. 5)When it is used with engine generator, please use bigger engine generator than the one specified in 2 2.standard specification. Unstable output power voltage may cause the stop by activating the abnormal voltage detection circuit of welder. - Page 8 4-2 . Function and explanation 1)Voltmeter (Voltage): It will work at the time of no load or when the welding machine is put in operation. 2)Amperemeter (Current): It will operate only at the time of welding (not work at the time of no load) 3)Warning lamp (Error) ①...
- Page 9 2) Welding torch If the welding torch is bent excessively, smooth wire feeding is not available, and welding condition is damaged due to reduced current. Please do not bend cable forcefully. 3)Standard use rate Use rate 350C 500 C 350A 500A 320A...
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Page 10: Maintenance And Inspection
6. Maintenance and inspection Input power switch must be OFF when internal and external terminal are checked. The condenser of welder internal circuit is charged, so please wait 5 minutes after completing welding work, and afterward open the case and check. 6 1 . -
Page 11: Trouble Shootings
7. Trouble shootings Step Phenomenon Reason Remedy Poor lamp Replace lamp Poor contact of the 1st *put part Contact test Power lamp id not tuned on Poor fuse Replace fuse when power switch is ON. Poor NFB Replace NFB Only FAN works Poor torch switch Replace torch switch Power lamp is on. -
Page 12: Weld Condition
8. Weld condition 8 1 . In case of improper welding conditions Reason Remedy Arc length is growing. Particle of spatter becomes bigger. Arc voltage is too high. Bead width is widening. The length and height of weld penetration become smaller. Wire sticks to the base metal and too many spatters. - Page 13 8 4. Reasons and remedy for defects of CO2 welding type Remedy Main reason 1)Check the gas cylinder, valve 1)No feed gas comes out and pressure regulator 2)Air mixed in feed gas 2)Check the connection part of 1. Blow holes 3)Insufficient coating effect due gas tube to strong wind...
- Page 14 8 5 . C0 (semi)auto weld condition 1)form butt weld a) Short ARC weld Thickness Volt Weld speed Wire dia.(mm) (mm) (mm) (cm/min.) 0.8~1.0 0.8~1.0 0.8~1.2 0.8~1.2 b) Hi Current weld Weld condition Thickness Wire dia. Improved Pieces CT(A) Volt (V) (mm) (mm) (cm/min)
- Page 15 2) horizontal fillet weld Thickness Width Wire dia. Weld current Weld voltage Weld speed (mm) (mm) (mm) (cm/min) 0.8~1.0 0.8~1.2 0.8~1.2 1.0~1.2 20.5 1.0~1.2 3)Vertical down fillet weld Thickness Weld width Wire dia. Weld current Weld voltage Weld speed (mm) (mm) (mm) (cm/min)
- Page 16 6 ) h o r iz o n t a l f ille t w e ld ( t h in s t e e l p la t e ) Plate thick Wire dia. Current Voltage Speed Tip base M Gas volume (mm) (mm)