| Product Name: | Single Chain Soldering Machine |
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| Application | Gold & silver jewellery chain soldering |
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| Heating method | Gas flame / micro-flame |
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| Fuel | LPG; Butane/LPG-air mix option |
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| Gas pressure | Adjustable through regulator |
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| Gas control | Fine-adjustable brass needle valve |
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| Speed control | Variable-speed control |
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| Working speed | Up to approx. 200 RPM, depending on chain/design |
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| Chain diameter | Approx. 0.50–3.00 mm for the broader-range type |
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| Fine-chain option | Approx. 0.20–1.00 mm, depending on tooling |
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| Compatible metals | Gold, silver and suitable jewellery alloys |
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| Gold purity | Suitable for different karats; final settings depend on alloy |
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| Silver | 925 and other silver alloys |
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| Solder | Gold/silver solder wire, strip or suitable pre-applied solder |
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| Flux | As required by the solder/alloy |
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| Motor | Variable-speed geared motor |
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| Electrical supply | 220 V AC, 50 Hz |
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| Electrical phase | Single phase |
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| Electrical consumption | Approx. 100–500 W, depending on configuration |
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| Controller | Speed controller + ON/OFF + emergency stop |
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| Flame adjustment | Manual precision adjustment |
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| Torch | Fine-tip jewellery gas burner |
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| Cooling | Generally air cooled |
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| Approx. dimensions | Around 45 × 35 × 50 cm to 55 × 40 × 70 cm, depending on model |
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| Approx. weight | 20–35 kg |
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| Operation | Automatic / semi-automatic |
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