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Liquefied-gas Cylinder Application Analysis
Manufacturer: Shanxi Nebula Automatic Equipment Co., LtdOfficial Exporter: Beijing Kunzhuo Electric Co., Ltd.URL:www.digitalwelding.com.cn Email: [email protected]
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JOINT Pulse MIG--Suprior Welding Quality
Make Every Weld Easy
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Company Introduction
Deliver Quality With Every Weld
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Overview
Case Background
Our Solution
Outcome
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Manufacturer: Factory A
nProduction Capacity: 450 pcs of Liquefied-gas
cylinder per day;
nBase Material: Carbon steel Q235;
nStandard Dimension: 320x3mm;
nExpected Lead-time: 65s-70s/cylinder;
nAcceptance standard: Grade I & II by X-ray
detection;
nWelding width: 14mm;
nWelding height: 1mm;
nNot permitted: lack of penetration, lack of fusion,
over-burn defects, spatter and clean-up.
Liquefied-gas Cylinder Background Info
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Situation
June 2015Factory A is facing the following issues when using its Submerged Arc Welding Machines:
1. Pass rate: 40%-50%
2. Production lead-time: 100s-120s/cylinder
3. Welding current: >400A
4. High power consumption.
Low Pass Rate Low Productivity
High Energy Consumption
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Our Solution
July 2015Factory A purchased 10 JOINT PULSED
MIG Welders.
1. Welding current is 300A-330A
2. Lead-time: 65s- 70s per round.
3. Pre-gas time: 10s
Post-gas time: 3s.
Low Heat Input Constant Output Eliminate Burnthrough Spatter-free Welding Short & Concentrated Arc
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Performance with Joint Pulse MIG Performance with Other Chinese Brand Pulse MIG
Performance Comparison
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Outcome
Performance ProductivityPower Consumption
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PERFORMANCE!X-Ray Detection Result
Factory A did flaw detection for the 100 cylinders by X-ray. The results are:ØGrade I: 90pcsØGrade II: 7pcs ØGrade III: 3pcsRemark: Grade I and Grade II are accepted. Failure rate:3%
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Welding Quality
Gas Leakage & Accidents
Safety for Households
Superior Welding Quality
Usage: Cooking in the kitchen
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