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Tool steel vacuum tempering furnace Vacuum tempering furnace is suitable for high speed steel, die steel, tool steel, alloy steel, titanium alloy etc. Soft magnetic material, silicon steel sheet, electrician pure iron, copper alloy and other materials bright annealing. Remove the forging parts, welding parts, cold stamping parts, and the residual internal stresses after the workpiece is quenched to prevent deformation and cracking of the workpiece. Characteristics of vacuum tempering furnace: 1. Easy operation, manual/automatic free switching, automatic control can be realized, and human error in operation is fully avoided. 2. Equipped with perfect alarm system, it can effectively protect the equipment. 3. For the characteristics of low heating temperature and high furnace volume for some vacuum back furnace process, the convection heating can be considered. Meet the requirement of heating speed and temperature effect in the heat – back process. 4. For the annealing treatment of some tubular, slender pieces and thin-walled parts, it is recommended that vertical loading or bottom loading structure be used to effectively solve the deformation problem.Vacuum furnace selection reference: the user can choose the nickel chrome heater or mo heater according to the desired temperature of the workpiece. Molybdenum nickel chrome heater is the highest temperature is 700 ℃, the heater the highest temperature is 1100 ℃. The corresponding heating power is different.
DHVE Lyophilizer / Freeze Drier Standard : 4 litres. Model : Floor model Technical specifications Temperature Controller: Digital Temperature indicator cum controller with display resolution of 1°C. PT-100 Sensor. Controlling accuracy ±2°C. Display accuracy ±0.5%, full scale. Construction: Cylindrical type drying chamber and cold trap chamber. Drying chamber and cold trap chamber made of dully polished 304 grade Stainless steel. Drying chamber size: 200mm Height X 150mm diameter. Cold trap size: 350mm L X 150mm diameter. 8-ports SS drum drying manifold with 8 quick seal valves. Plane acrylic lid. Outer made of mild steel with Powder coated. Cold trap temperature: -55°C. Two stage direct drive vacuum pump, 100 ltrs per minute. Pirani Gauge for vacuum indication. Vacuum range Upto 0.01 milli bar. Drain to collect water. Refrigeration System: Double stage (Cascade) refrigeration system. Hermetically sealed EMERSON Copeland make compressor. CFC free refrigerant filled. Fin and tube type air-cooled condenser. Power Supply: Single phase. 230 Volts, 50 Hz. Optional: Cold trap temperature -80°C. Suitable Voltage Stabilizer. Full stainless steel model available @ extra cost. Flasks with glass adaptor. Pre- freezing bath with temperature range -40°C / -80°C. Note: Due to continuous development DHVE reserves the rights to change specifications without prior notice.
DHVE VACUUM FURNACE, The company specialized in industrial vacuum furnaces manufacturing. Horizontal gas quenching furnace is used for gas quenching of materials like tool steel, die steel, high speed steel, super high strength steel, etc. The heating chamber is separated with the quenching chamber, which saves much energy and has good cooling. Technical Features 1. Vacuum twin chamber gas quenching furnace uses horizontal, two chambers, bottom loading structure. Furnace door type can be customized design. 2. Gas quenching chamber is an independent part, which has a high heat exchanging speed. 3. The inner loading trolley is integral structure. The materials transportation is stable and finish in a short time. 4. According to the treating jobs, users can choose to configure axial-flow type high power gas quenching fan or centrifugal high power gas quenching fan. Configuration of Horizontal Gas Quenching Furnace 1. Thermocouple: S type, K type, N type 2. Recorder: Paperless recorder/paper recorder 3. HMI: Simulation screen/Touch screen with industry computer 4. Electric components: High-quality domestic made brand/Schneider/Siemens 5. Furnace door: On-line/off-line, rotating type, vertical lifting 6. Gas quenching type: cold airflow vertically cooling/cold airflow side to side cooling. 7. Furnace hearth: Graphite heating elements and graphite felt heat insulation/Molybdenum heating element and metal heat insulation 8. Vacuum pump and gauge: Leybold vacuum, Edwards vacuum pump/high quality Chinese brand vacuum pump EVP. 9. Vacuum degree: High vacuum/medium vacuum 10. PLC: OMRON/Siemens/Mitsubishi 11. Temperature controller: SHIMADEN/EUROTHERM/Honeywell
Vacuum Annealing Furnace is applied for annealing and aging treatment of a variety of alloy materials, devices (tungsten, molybdenum, niobium, copper alloy, etc.), magnetic materials, electrical steel, magnetic alloy, stainless steel, heat-resistant alloys, copper and its alloys, hydrogen storage alloy, active and hard molten metal. It can also be used for vacuum sintering of magnetic material, diamond, hydrogen storage material reduction. The control system was controlled by PLC, temperature was controlled by intelligent temp controller, accurate control, high automation. User can choose auto or manual undisturbed switching to operate it, this vacuum furnace has abnormal condition alarming function, easy to operate. Environmental protection performance has been improved, maintenance cost saving, energy cost saving.
DHVE More than ever, today’ s producers of consumer goods use coatings to add value to their products. PVD processes enable almost unlimited production of coatings on any type of surface. As far as coatings with the “metallic effect” are concerned, having a high abrasion and chemical resistance, mainly chrome and stainless steel depositions, or carbides and nitrides of transition - metals (for example titanium and zirconium) are produced. In addition to having characteristics of hardness and resistance to abrasion, innovative colours can be obtained for decorative reasons applied to the surfaces of high quality consumer goods. As well as being the cleanest technology among coating techniques, Sputtering gives a combination of advantages like no other: first of all, Sputtering is a method of production which is economically efficient generating the thinnest and the most uniform coating possible.
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