Professional China Vacuum Quenching Furnace Manufacturer - vacuum gas quenching furnace Horizontal with single chamber – Paijin

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Professional China Vacuum Quenching Furnace Manufacturer - vacuum gas quenching furnace Horizontal with single chamber – Paijin Detail:

What’s vacuum gas quenching

Vacuum gas quenching is the process of heating the workpiece under vacuum, and then cooling it quickly in the cooling gas with high pressure and high flow rate, so as to improve the surface hardness of the workpiece.

Compared with ordinary gas quenching, oil quenching and salt bath quenching, vacuum high-pressure gas quenching has obvious advantages: good surface quality, no oxidation and no carburization; Good quenching uniformity and small workpiece deformation; Good controllability of quenching strength and controllable cooling rate; High productivity, saving the cleaning work after quenching; No environmental pollution.

There are many materials suitable for vacuum high-pressure gas quenching, mainly including: high-speed steel (such as cutting tools, metal molds, dies, gauges, bearings for jet engines), tool steel (clock parts, fixtures, presses), die steel, bearing steel, etc.

Paijin Vacuum gas quenching furnace is a vacuum furnace consisted by furnace body,heating chamber,hot mixing fan,vacuum system,gas filling system,vacuum partial pressure system,electric control system,water cooling system, gas quenching system, pneumatic system,automatic furnace feeding trolley and power supply system.

Application

Paijin Vacuum gas quenching furnace is suitable for quenching treatment of materials such as die steel, high-speed steel, stainless steel, etc; solution treatment of materials such as stainless steel, titanium and titanium alloy; annealing treatment and tempering treatment of various magnetic materials; and can be used for vacuum brazing and vacuum sintering.

Vacuum gas quenching Furnace (1)

Characteristics

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1. High cooling speed: by using high efficiency square heat exchanger, its cooling rate is increased by 80%.

2. Good cooling uniformity: Air nozzles are evenly and staggered set all around the heating chamber.

3.High Energy Saving: Its air nozzles will automatically close in heating process, makes its energy cost 40% less.

4. Better temperature uniformity: its heating elements are evenly set all around the heating chamber.

5. Suitable for various process environments: Its heating chamber’s insulation layer is made by composite hard insulating layer or metal insulating screen, suitable for various environments.

6. Smart and easy for process programming, stable and reliable mechanical action, automatically, semi-automatically or manually alarming and displaying the faults.

7. Frequency conversion control gas quenching fan, optional convection air heating, optional 9 points temperature survey, partial pressure quenching and isothermal quenching.

8. With whole AI control system and an extra manual operating system.

Standard model specification and parameters

Standard model specification and parameters
Model	PJ-Q557	PJ-Q669	PJ-Q7711	PJ-Q8812	PJ-Q9916
Effective Hot Zone LWH (mm)	500500 700	600600 900	700700 1100	800800 1200	900900 1600
Load Weight(kg)	300	500	800	1200	2000
Maximum Temperature(℃)	1350
Temperature control accuracy(℃)	±1
Furnace temperature uniformity(℃)	±5
Maximum Vacuum Degree(Pa)	4.0 * E -1
Pressure raise rate (Pa/H)	≤ 0.5
Gas quenching pressure (Bar)	10
Furnace structure	Horizontal, single chamber
Furnace door opening method	Hinge type
Heating elements	Graphit heating elements
Heating chamber	Composition structure of Graphit hard felt and soft felt
Gas quenching flow type	Vertical alternating flow
PLC & Electric elements	Siemens
Temperature controller	EUROTHERM
Vacuum pump	Mechanical pump and roots pump

Customized optional ranges
Maximum temperature	600-2800 ℃
Maximum temperature degree	6.7 * E -3 Pa
Gas quenching pressure	6-20 Bar
Furnace structure	Horizontal,Vertical, single chamber or multi chambers
Door opening method	Hinge type, Lifting type,Flat type
Heating elements	Graphit heating elements, Mo heating elements
Heating chamber	Composed Graphit felt, All metal reflecting screen
Gas quenching flow type	Honrizontal alternating gas flow;Vertical alternating gas flow
Vacuum pumps	Mechanical pump and roots pump; Mechanical, roots and diffusion pumps
PLC & Electric elements	Siemens;Omron;Mitsubishi;Siemens
Temperature controller	EUROTHERM;SHIMADEN