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? ? ? ? ? ? ? ? ? ? ??? ? ? ? LD-75?Heat treatment pit type stainless steel gas nitriding furnace

Vacuum Nitriding furnace introduce:

Glow ionic nitriding furnace includes ionic triding and lon-carbonitriding .glow ionic nitriding furnace can significantly enhances the surface hardness of steel parts,resistance to damage,fatigue and corrosion;because it has the advantages for energy saving, save gas, high efficiency, good quality, no pollution, etc. It has been applied widely in power, machine tools, petrochemical machinery, textile machinery, mold and other industries.

1.LD Glow Ionic Nitriding furnace Equipment

????The traditional glow ionic nitriding furnace equipment,which is suitable for most work-piece ,is direct-current;Due to it’s features on technology,though pulse equipment is popular today,direct-current is still widely used.

2.LDMC ?Pulse glow ionic nitriding furnace

Pulse has rapid arc starting and permeating rate .The adjustable range of working air pressure is approximately at 20%-30% compare to the DC .And it is suitable for the complex workpieces which has high requirements of surface,many groove .it is frequently-used glow ionic nitriding furnace equipment nowadays.

3.LDMC Direct-current and pulse nitriding furnace

It is a Nitriding equipment which has the features for direct-current and pulse equipment.

4.LDF、LDMCF、LDZMF Auxiliary heating ionic nitriding furnace

Auxiliary heating glow ionic nitriding furnace which based on direct-current,pulse equipment and Dc pulse dual-use equipment added a resistance for auxiliary heating .It is operation simple and reliable ,and siutable for most work-piece especially light parts.

5.Ionic carburizing equipment

Ionic carburizing is new carburizing equipment ,it has the features for faster permeability(0.8mm/2h) and carburized layer of high quality.

6.?Nitriding quenching furnace

With functions of ion carburizing and quenching vacuum.

CHARACTERISTICS:

Increase of superficial hardness;

Improved resistance to wear and tear;

Improved resistance to stress;

Less Friction;

Moderate resistance to corrosion.

DEPTH:

From 0.10 to 0.5 mm ?

APPEARANCE:

Due?to gaseous nitriding, the product appears neat and in a shade of opaque light grey.

STEELS AFFECTED BY GASEOUS NITRIDING

·?Nitriding steels;

·?Steel used for tools;

·?Carbon Steels;

·?Tempering Steels;

·?Cast-steels

LD-75 Pit type Vacuum nitriding furnace main parameters :

Output voltage ：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0-1000V Continuous adjustable

Maximum output average current ：? ? ? ? ? ? ? ? ? 100A

Peak pulse current ：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?200A

Pulse frequency：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1000Hz

Furnace working chamber size：? ? ? ? ? ? ? ? ? ? ? ? ?φ900×1200mm

Working temperature：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?≦650℃

The rated load:? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?800KG

Limited vacuum：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ≤6.67Pa

Rising rate：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ≤0.133Pa／min

Pumping to 20Pa cost time：? ? ? ? ? ? ? ? ? ? ? ? ? ? ?≤30min

Arcing time：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ≤15μs

Control temperature precision：? ? ? ? ? ? ? ? ? ? ? ? ±1℃

Control pressure precision：? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?±1Pa

The technological process:? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?Flow meter and manual control

Model	LD-75 Heat treatment pit type stainless steel gas nitriding furnace
Working chamber	?900*1200mm
Max?Working temperature?	650℃
Common?working?temp	500±50℃
Ultimate vacuum	≤6.7Pa/30Mi
Pressure rising rate	≤0.13Pa/min

Model	LD-75?Heat treatment pit type stainless steel gas nitriding furnace
Maximum average output current	75A
Maximum peak output current	150A
Max nitride area	60000c㎡
Max loading weight	800kgs
Output supply	75KW
Output status	Rectangular?web
Frequency	1000HZ
The arc velocity	≤20 Microsecond
Control method	Fixed frequency width
Occupy space rate	0-85% continue adjustabl