Two-chamber vacuum furnace line for transmission gears
Two chambers alternate heating and cooling on a 42-minute cycle, 1.6 t per day, linked to loading robots for unmanned operation.
The customer ran a pit-furnace line on a 90-minute cycle with manual transfer of hot parts.
The JVGQ-150/15060 two-chamber furnace alternates front-chamber heating and rear-chamber gas quench through a rotary door, with robots handling load and unload.
An MES interface pushes recipes, generates a heat-treatment report per batch and feeds per-charge energy data into the plant energy management system.
Results
Cycle time 90 → 42 minutes, daily output 0.7 → 1.6 t, line staff from 4 to 1, yield steadily above 99.5%.
Batch vacuum brazing of aero-engine titanium blades
0.5 mm thin-wall TC4 blades, 0.05–0.1 mm gap, 240 parts per charge, 6 months of serial delivery with 99.2% first-pass yield.
Export projectVacuum diffusion bonding of titanium sandwich panels for spacecraft
800 mm sandwich parts retain 92% base-metal strength after bonding; leak rate 1×10⁻⁹ Pa·m³/s; three sets delivered, including export to Europe.
Distortion control of high-strength steel parts by high-pressure gas quench
18CrNiMo parts quenched in 10 bar nitrogen instead of oil: hardness HRC 48–51 across the charge, distortion down from 0.45 mm to 0.12 mm.
Export projectExport line for large cold-work tooling, vacuum oil quench
Cr12MoV blocks 180 mm thick, vacuum oil quenched with no scale or decarburisation, HRC 61–63; the furnace was exported with the tooling to Mexico.
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