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MIM Vacuum De-waxing and Sintering Furnace
1. Main Description
MIM vacuum de-waxing and sintering furnace is designed for metal injection molding (MIM).
The following functions could be carried out in the furnace: negative pressure de-waxing, pressure de-waxing with H2, vacuum sintering, atmosphere sintering, partial pressure sintering and cooling.
The de-waxing function is suitable for following kinds of binder: wax, stearic acid, and oleic acid.
2. Technical specifications
| Model | GN3312MIM | GN5518MIM |
| Rated voltage | 380 V 50 Hz, three-phase five-wire | |
| (Ｌ×Ｗ×Ｈ)Dimension of furnace | 4500×4250×3500 mm | 4500×5400×3500 mm |
| Dimension of usable space | 300×300×1200mm | 500×500×1800 mm |
| Max. load weight | 500 kg | 1500 kg |
| Weight of furnace | ≈4000 kg | ≈5500 kg |
| Power | 180 kVA | 260 kVA |
| Max. testing temperature | 1500°C | |
| Max. working temperature | 1450°C | |
| Temperature control | 3 zones | |
| High temperature uniformity | ≤±5°C(Ceramic ring) | |
| Ultimate vacuum | ≤2Pa, tested in cold and clean chamber | |
| Vacuum leak rate | ≤2Pa/h(24 hours average), tested in cold and clean chamber | |
|
Pumping speed (in cold and clean chamber) |
≤20 min., pumping from 1.13×105Pa to 5Pa | |
|
Cooling speed (without loading) (cooling water ≤30°C) |
From working temp. to 800°C, ≤ 2 h From 800°C to opening door, ≤ 4 h |
From working temp. to 800°C, ≤ 3 h From 800°C to opening door, ≤ 5 h |