Vacuum Carburizing Furnace with Automatic Control and Simulate System

• Customization: Available
• After-sales Service: on Line
• Warranty: 12 Monthes
• Model NO.: PJ-ST557
• Type: Stainless Steel Heating Equipment
• Certification: CE, ISO
• Structure: Horizontal Type
• Brand: Paijin
• Carburizing Gas: Acetylene
• Automatic Control: Available
• Control Method: PLC
• Quenching Method: Gas Quenching or Oil Quenching
• Transport Package: Wooden Cases
• Specification: 700*500*500 mm
• Trademark: PAIJIN
• Origin: China
• HS Code: 8514101000
• Production Capacity: 120 Sets Per Year
• Package Size: 1000.00cm * 1000.00cm * 1000.00cm
• Package Gross Weight: 15000.000kg

Product Description

Product Description

Vacuum Carburizing with Acetylene Furnace

The AvaC vacuum carburizing process is a technology exclusive to Ipsen that uses acetylene to virtually eliminate the soot and tar formation problem known to occur from propane, while greatly increasing carburizing power even for blind or through holes.

One of the most important advantages of the AvaC process is high carbon availability, ensuring extremely homogenous carburizing even for complex geometries and very high load densities. The AvaC process involves alternate injection of acetylene (boost) and a neutral gas, such as nitrogen, for diffusion. During boost injection, acetylene will only dissociate in contact with all-metal surfaces allowing for uniform carburizing.

The most remarkable benefit to AvaC can be found when the different hydrocarbon gases for low-pressure carburizing are evaluated for their penetration power into small-diameter, long, blind holes. Vacuum carburizing with acetylene results in a complete carburizing effect along the whole length of the bore because acetylene has a totally different carburizing capability than that of propane or ethylene.

Benefits of the AvaC process:

• Continuous high-throughput capability
• Guaranteed process repeatability
• Optimum acetylene gas deployment
• Open, maintenance-friendly modular system
• Increased carbon transfer
• Reduced process time
• Improved microstructure, increased stress resistance, and superior surface quality of parts
• Economical extendibility for capacity increase
• Various quenching capability with helium, nitrogen, mixed gases, or oil

Advantages over atmosphere furnaces:

• Better work environment with cold-wall design, which provides lower shell temperature
• No costly exhaust hoods or stacks required
• Faster start-ups and shutdowns
• No endothermic gas generators required
• Gas quench furnaces require less floor space and no post-washing to remove quench oils
• No pits or special foundation requirements needed

APPLICATIONS
Single chamber horizontal low pressure Carburizing gas quenching furnace (air cooling by vertical gas flow type) has many functions like carburizing, gas quenching and pressure air-cooling. Is mainly used for quenching, annealing,tempering of the die steel, the stainless steel, the high-speed steel, the higent processes like one-time high-carburizing, pulse carburizing and so on.
 

 

Characteristics

1. High intelligent and efficient. It is equipped special developed vacuum low-pressure carburizing simulation software.
2. High cooling rate. the cooling rate is increased by 80% by using high efficiency square heat exchanger.
3. Good cooling uniformity. Uniform cooling by convection from double-fans.
4. Good temperature uniformity. heating elements are evenly arranged 360 degrees around the heating chamber.
5.No carbon black pollution. The heating chamber adopts the external insulation structure to prevent the pollution of the carbon black in carburizing process.
6. Long service life , Using the carbon felt as the heat-insulation layer of the heating chamber.
7. Good carburized layer thickness uniformity, Carburizing gas nozzles are evenly arranged around the heating chamber, and the thickness of carburized layer is uniform.
8. Less deformation of the Carburizing workpiece , higher production efficiency and energy cost is saved more than 40%.
9. Smart and easy for process programming, stable and reliable mechanical action , automatically, semi-automatically or manually alarming and displaying the faults.
10. Frequency conversion control gas quenching fan, optional convection air heating, optional 9 points temperature survey, several grades and isothermal quenching.
11. With whole AI control system and an extra manual operating system.
 

Detailed Photos

Product Parameters

Standard model specification and parameters
 

Model	PJ-ST446	PJ-ST557	PJ-ST669	PJ-ST7711	PJ-ST8812	PJ-ST9916
Effective Hot Zone LWH (mm)	400*400*600	500*500*700	600*600*900	700*700*1100	800*800*1200	900*900*1600
Load Weight(kg)	200	300	500	800	1200	2000
Maximum Temperature(ºC)	1350
Temperature control accuracy(ºC)	±1
Furnace temperature uniformity(ºC)	±5
Maximum Vacuum Degree(Pa)	4.0 * E -1/6.7*E-3
Pressure raise rate (Pa/H)	≤ 0.5
Carburizing agent	C2H2+N2
Carburizing pressure(mbar)	5-20
Carburizing method	Multi-pulse carburizing
Carburizing depth control	LPC intelligent process control by material
Quench agent	N2/Ar
Gas quench pressure(bar)	12-25
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
IPC	YANHUA
PLC & Electric elements	Siemens
Temperature controller	EUROTHERM
Vacuum pump	Mechanical pump and roots pump

Customized optional ranges
 

Maximum temperature	600-2800 ºC
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

Standards:
DIN 17052 - 1 "Heat treatment furnaces - Part 1: Requirements for temperature uniformity"
EN 60519 -2 "Safety in electroheat installations - Part 2: Particular requirements for resistance heating equipment"
AMD2750D  "AEROSPACE MATERIAL SPECIFICATION"
NFPA86D  "Standard for Ovens and Furnaces"
GB/T 16876 "Vacuum test standard for double wall equipment"
GB/T 10066.1 " Test methods for electroheating and electromagnetic processing installations"
GB/T 9452  "Testing Method For Working Zone Of Heat Treatment Furnace"

Relative information

General introduction of PAIJIN Vacuum furnaces

Hi,my friend, thanks for checking Paijin Vacuum furnaces. I will show you why our products are  your best choose.

Technical advantages:

1. Energy saving: By using our self-owned registered patented technology of energy saving, our furnaces saves 20%-40% energy than other brands in heating. Reduces muh cost.
2. High Intelligent Control system:All our furnaces are equiped with our high intelligent control system, it can realize one button operation by the recorded data and record the processs in Computer.
3. Advanced Voltage control technology, lower current in same power to avoid the melting of cables, and raise safety level.

Processes
Paijn vacuum furnaces are basically composed by Furnace body, heating system, vacuum system, gas recharge system and control&measure systems.

A standard vacuum furnace would able to used for the basic processes like:
Annealing
Tempering
Brazing
Sintering
Hardening
In Vacuum and Atmosphere conditon.

By adding some fuction parts, it will realize or strengthen its ability in
Carburizing
Debinding
Nitriding
Oil hardening
Low temperature difference brazing (≤±3ºC)

Hot zone materials:

Graphite Hot Zones
Graphite hot zones are long-lasting and can deliver excellent ROI. They are robust, economical to repair and incorporate hearth designs with high creep strength.

All-Metal Molybdenum Hot Zones
If your process is susceptible to graphite contamination, a molybdenum hot zone can meet your needs. Our moly hot zone elements feature a "double-U" profile which makes them easy to install and replace.

Custom Constructions
We offer custom hot zone construction such as graphite insulation with moly heating elements, for applications with unique requirements.
 

Payment terms and ordering process:
We accept paymen by TT:
20% TT in advance, 50%TT after confirmation of drawings and 30% TT after PSI but before loading on board

or 100% LC at sight.
Ordering Process:
Confirm user's technical specification requirement----Quotation with specification---confirm specification and other terms---sign contract--first payment or Issurance LC----Drawing confirmation----Manufacturing---Preshipment inspection and training---Shipment----field service like installation and commission(optional)---after sales service


Produce time and delivery schedules
According to different model and requirements about the furnace, It need about 3-8 monthes for the produce of the furnace.
After the finish of the furnace, User's representatives are invited to visit our factory and inspect the furnace in our factory.Meanwhile,we can supply 1-2 weeks free training courses for them in our factory.
After the pre-shipment inspection and final payment, we will arrange the shipping within one week.



Quality Control:
Quality is the spirit of the products, is the key point decide a factory's future.Paijin take quality as the most priority issues in our daily work.To ensure the good quality of our products, we paid much attention on 3 aspects.

1. Most important: Human. Human is the most important point in every work. We have complete training courses for every new worker, and we have rating system to rate every worker to a level (junior, middle, high), different level workers are apponted to different jobs with different salary. In this rating system, it's not only the skills, but also rate in responsibility and error rate, executive power etc. By this way, workers in our factory are willing to do the best in his work.And strictly follows the quality management rules.
2. Best materials and components: We only purchase the best materials on market, we know that saves 1 dollar in material would cost 1000 dollars in final. The key parts like electric components and pumps are all brand products like Siemens, Omron,Eurotherm, Schneider etc. For the other parts made in China, we choose the best factory in industry and signed product quality guranntee contract with them,to ensure every component every parts we use in the furnace is the best quality products.
3. Strict Quality management: We have 8 quality check points in the processes of furnace producing, Examination in each check point is carried by 2 workers and 1 factory manager is responsible for it. In these check points, materials and components, and every aspects of the furnace are double checked to ensure its quality. At last, before the furnace leaves factory, it should be final checked with heat treatment experiments.

Packages and Shipping:
We have much experience in the packages and shipping, our furnaces are usually shipped by rail or by sea. Sometimes small parts my shipped by air. The main body will be fixed in the container by steel ropes and other parts will be packaged in wooden cases.


After sale service:
a. Quality Guarantee
We supply a guarantee period of 12 months reckoning from the date of commissioning of the furnace against all defects or failures due to faulty design, material, or workmanship. But within 18 monthes after the furnace is deliveried from our factory.
b. Backup support for provisioning of spares for 15 x years.
c. Technical Support:We supply 15 years free online technology support for our furnaces.

 

Company Profile