/ Ability to use ammonia alone as the most efficient nitrogen carrier
/ Minimal ammonia requirement
/ The utilization of the furnace vacuum evacuation (no traditional purging with process gases)- the reduction the consumption of process gases (ammonia and nitrogen)
/ Precise and dynamic process control – directly measuring and controlling the nitriding atmosphere composition inside the furnace using only ammonia and internal dissociation
/ High accuracy of forming the required nitrided layer
/ Gas nitriding
/ Nitriding
/ Nitrocarburizing (FNC)
/ Oxidation
/ Tempering
/ Annealing
/ Others
/ Process control by a nitrogen stream to the part with minimal ammonia consumption
/ Ammonia demand is significantly reduced, up to 10 times less than traditional technology
/ Minimal emission of post-process gases meeting environmental protection requirements
/ Vacuum purging instead of gas purging reduces inert gas utilization
/ Precise building of any nitrided layer configuration, efficient process
/ Carbonitriding carried out effectively and efficiently using methanol
/ Accurate shaping of any nitrided layer composition
/ Maximum efficiency and process performance
/ High quality and repeatability of results
/ Compliance with the environmental protection regulations requirements
/ Precise control of the nitriding atmosphere directly in the retort
/ High accuracy of temperature control, uniformity +/-3°C
/ Compliant with AMS-2750, AMS-2759 and CQI-9 standards
Horizontal Model # |
Useful Dimensions in(mm) |
Gross Load Weight lbs(kg) |
Working Temperature °F(°C) |
Temperature Uniformity °F(°C) |
Number of Heating Zones | Furnace Heating Power (kW) |
HRNe*-60.60.90-750-6-ZF | 24x24x36 (600x600x900) | 1320 (600) |
300-1380 (150-750) |
±5 | one | 75 |
HRNe*-90.80.120-750-15-ZF HRNg**-90.80.120-750-15-ZF |
36x36x48 (900x900x1200) | 3300 (1500) |
300-1380 (150-750) |
±5 | three | 150 |
HRNe*-100.100.150-750-25-ZF HRNg**-100.100.150-750-25-ZF |
40x40x60 (1000x1000x1500) | 5500 (2500) |
300-1380 (150-750) |
±5 | three | 240 |
Vertical Model # |
Diameter in(mm) | Height in(mm) | Gross Load Weight lbs(kg) |
Working Temperature °F(°C) |
Temperature Uniformity °F(°C) |
Number of Heating Zones | Furnace Heating Power (kW) |
|
VRNe-100.200-650-25-ZF | 39 (1000) |
78 (2000) |
5500 (2500) |
300-1200 (150-650) |
±5 | three | ||
VRNe-120.300-650-50-ZF | 47 (1200) |
118 (3000) |
1100 (5000) |
300-1200 (150-650) |
±5 | three | ||
VRNe*-60.90-650-6-ZF | 24 (600) |
36 (900) |
1320 (600) |
300-1300 (150-700) |
±5 | two | 40 | |
VRNe-80.120-650-12-ZF | 32 (800) |
48 (1200) |
2645 (1200) |
300-1300 (150-700) |
±5 | two | 80 | |
VRNe-100.150.650-30-ZF | 39 (1000) |
59 (1500) |
5500 (2500) |
300-1300 (150-700) |
±5 | two | 115 | |
VRNe-120.150-650-30-ZF | 48 (1200) |
59 (1500) |
6600 (3000) |
300-1300 (150-700) |
±5 | two | 135 | |
VRNe-140.250-650-45-ZF | 55 (1400) |
98 (2500) |
9900 (4500) |
300-1300 (150-700) |
±5 | three | 210 | |
VRNe-160.250-650-60-ZF | 63 (1600) |
98 (2500) |
13200 (6000) |
300-1300 (150-700) |
±5 | three | 225 |
/ Low & Medium Alloy Steels (41xx, 43xx, 51xx, 86xx, 93xx series)
/ Nitralloy® Alloys
/ Stainless Steels (300 & 400 series, precipitation hardening grades)
/ Tool Steels (H-series, M-series)
/ Iron (ductile, gray)
/ Factory Built – All equipment is completely factory assembled, piped, wired and mechanically tested before shipment to minimize installation time and expense. Fast connection to utilities is assured.
/ Hopper/Loader – The hopper/loader is designed to charge a predetermined load of parts into the furnace on each revolution of the retort. Parts stored in the hopper are automatically transferred into the load bucket upon its arrival at the bottom position of the elevator. The loaded basket is then elevated and the parts are automatically deposited into the furnace.
/ Carbonitriding,
/ Hardening,
/ Carburizing.
/ Standard Equipment – Furnace lines are pre-engineered in standard sizes with rated capacities from 500 LB (225 KG) to 1,000 LB (450 KG). They can be manufactured, delivered and installed quickly. Custom engineered systems have been provided up to 4,000 LB (1,800 KG) per hour.
/ Electric Design – The electrically heated design features bayonet heating elements that can easily be replaced from outside of the furnace.
/ Gas Design – The gas fired design is equipped with centrifugally cast alloy radiant tubes and complete combustion system.
/ Retort – The cantilevered, one piece cast retort is supported at one end and sealed at the charge end of the furnace. There are no seals or bearings in hot areas or at the discharge end.
/ Rotary Mechanism – Auger flights convey the parts smoothly and quietly through the furnace. Rotation of the retort has a wide range of speed adjustments to provide complete fl exibility of time processing cycles.
/ Screws,
/ Nuts,
/ Bolts,
/ Nails,
/ Washers and coins.
/ Standard horizontal capacity from 200 to 2,500 kg and more (440 to 5,500 lbs)
/ Standard vertical capacity: 1,500 kg (3,300 lbs) and 2,000 kg (4,400 lbs)
/ Graphite or metal hot zone with a maximum vacuum of 10-2 to 10-5/10-6 mbar
/ Quenching pressure: from 2 up to 25 bar
/ Quenching gases: N2, Ar, He, H2
/ Optional equipment for vacuum carburizing technology: FineCarb® / PreNitLPC® and vacuum nitriding LPN
/ Annealing
/ Sintering
/ Tempering
/ Brazing
/ Hardening
/ Low pressure carburizing & nitriding (LPC & LPN)
/ Solution heat treating
/ Vacuum as a protective and technological atmosphere eliminates the need to use harmful process gases and their emission to the environment
/ No CO₂ emissions, no use of fossil fuels
/ Gas utilization for cooling (nitrogen, argon), captured and returned to the air, neutral for the environment
/ Reinforced thermal insulation saves electricity (approx. 20%)
/ High energy efficiency of used electrical components (IE3 class motors, inverter control, etc.)
/ Application of systems and algorithms limiting energy and technological factor consumption (pumping, heating and cooling systems)
/ No harmful substance emissions
/ Reduction of hardening deformations and downstream machining costs
/ Elimination of part washing after heat treatment
/ Wide range of heat treatment processes and applications
/ High-speed cycles with high-pressure gas quench
/ Low consumption of energy, process gases, and other utilities
/ Environmentally friendly with low emissions of process gases
/ Predictive maintenance
/ Remote control and monitoring
/ Alloyed steels
/ Stainless steels
/ Alloys and super alloys
/ Titanium and titanium alloy
/ Tool steels
/ HSLA
/ Works in semi-continuous mode, loaded from one side and unload from another
/ Treats 3 loads at the same time in a very efficient way
/ Fully automated processing
/ Low heat losses by increased thermal insulation
/ Low pressure carburizing (LPC)
/ Oil or high pressure gas quenching, nitrogen (N2) or helium (He) 24 bar
/ Short workload-transport time within the furnace
/ Shorter evacuation times by independent pumping systems for each chamber
/ Case hardening LPC (Low Pressure Carburizing)
/ Quenching
/ Brazing
/ Annealing
/ Safe, no flammable and poisonous atmosphere
/ No open fire
/ No emission of harmful gases (CO, NOx)
/ No emission of climate-warming gas CO₂
/ Environmentally friendly process
/ Fast and uniform LPC of densely pack loads
/ No decarburization or oxidation
/ Elimination of IGO
/ Nitrogen quench (neither oil nor helium is needed)
/ Elimination of quenching oil and contamination and cleaning chemicals
/ Flexible, on-demand operation
/ High lifespan of hot zone components – graphite
/ High production efficiency
/ High volume production
/ Low process cost comparable with traditional technology
/ Fast and efficient LPC
/ Fully automated, semi-continuous operation
/ Minimizes final machining costs
/ Elimination of oxidation and IGO
/ Safe (no open fire and explosion risk)
/ Alloy steel
/ Carburizing grades
/ Stainless steels
/ Specialty steels and alloys
/ Fully automated processing
/ Vacuum, horizontal, double-, and triple-chamber
/ Low heat losses by increased thermal insulation
/ Low-pressure carburizing (LPC)
/ Oil or high-pressure gas quenching, nitrogen (N2) or helium (He)
/ Short workload-transport time within the furnace
/ Shorter evacuation times by independent pumping systems for each chamber
/ Hardening with oil quench or gas quench
/ Low pressure carburizing using FineCarb® with oil or gas quench
/ High-temperature carburizing up to 1050°C using PreNitLPC® for common case hardening steels
/ Carbonitriding
/ Bright thorough hardening
/ Oxidation in the pre-heating chamber
/ Annealing (with gas cooling)
/ Tempering
/ Quenching
/ Brazing
/ Safe, no flammable and poisonous atmosphere
/ No open fire
/ No emission of harmful gases (CO, NOx)
/ No emission of climate-warming gas CO₂
/ Environmentally friendly process
/ Fast and uniform LPC of densely pack loads
/ No decarburization or oxidation
/ Elimination of IGO
/ Nitrogen quench (neither oil nor helium is needed)
/ Elimination of quenching oil and contamination and cleaning chemicals
/ Flexible, on-demand operation
/ High lifespan of hot zone components – graphite
/ Extremely economical and efficient
/ Excellent carburizing uniformity (LPC)
/ Highly accurate and precise LPC process simulator (SimVaC)
/ No intergranular oxidation (IGO) and decarburization
/ Reduce distortion by 25 bar abs N2 or He quenching
/ No CO/CO₂ emission
Technical data of standard CaseMaster Evolution furnaces series | |||||
Type | Size | W [mm] | H [mm] | L [mm] | Charge Weight [kg] |
D, T | 446 | 400 | 400 | 600 | 200 |
D,T | 669 | 600 | 600 | 900 | 600 |
D | 9129 | 900 | 1200 | 900 | 1200 |
D,T | 9129 | 900 | 900 | 1200 | 1200 |
V | 1625 | fi 1600 | 2500 | – | |
temp in the heating chamber – 1250°C | vacuum in the heating chamber – 10-2 mbar | ||||
A customized version can be produced for the furnace chamber dimensions requested by the customer |
|||||
Available options for CaseMaster Evolution furnaces series | ||
Feature | Furnace Type | Size |
Gas cooling over oil bath | D, T | all |
GQ – up to 1,5 bar abs | D,T,V | all |
HPGQ – 6, 12 bar abs | D hybrid | 669,9912 |
HPGQ – 25 bar abs | T,D | 669 |
Load Thermocouples | D | all |
High vacuum (10-4 mbar) | D,V | all |
Vacuum Carburizing | D,T | all |
Convection heating | D, T | all |
/ Carburizing steels
/ Structural streel
/ Bearing steel
/ Tool steels
/ HSLA
/ Alloyed steels
/ Stainless steels
/ Alloys and super alloys
/ Titanium alloys
Horizontal Model # |
Useful Dimensions in(mm) |
Gross Load Weight lbs(kg) |
Working Temperature °F(°C) |
Temperature Uniformity °F(°C) |
Number of Heating Zones | Furnace Heating Power (kW) |
HRNe*-60.60.90-750-6-ZF | 24x24x36 (600x600x900) | 1320 (600) |
300-1380 (150-750) |
±5 | one | 75 |
HRNe*-90.80.120-750-15-ZF HRNg**-90.80.120-750-15-ZF |
36x36x48 (900x900x1200) | 3300 (1500) |
300-1380 (150-750) |
±5 | three | 150 |
HRNe*-100.100.150-750-25-ZF HRNg**-100.100.150-750-25-ZF |
40x40x60 (1000x1000x1500) | 5500 (2500) |
300-1380 (150-750) |
±5 | three | 240 |
Vertical Model # |
Diameter in(mm) | Height in(mm) | Gross Load Weight lbs(kg) |
Working Temperature °F(°C) |
Temperature Uniformity °F(°C) |
Number of Heating Zones | Furnace Heating Power (kW) |
|
VRNe-100.200-650-25-ZF | 39 (1000) |
78 (2000) |
5500 (2500) |
300-1200 (150-650) |
±5 | three | ||
VRNe-120.300-650-50-ZF | 47 (1200) |
118 (3000) |
1100 (5000) |
300-1200 (150-650) |
±5 | three | ||
VRNe*-60.90-650-6-ZF | 24 (600) |
36 (900) |
1320 (600) |
300-1300 (150-700) |
±5 | two | 40 | |
VRNe-80.120-650-12-ZF | 32 (800) |
48 (1200) |
2645 (1200) |
300-1300 (150-700) |
±5 | two | 80 | |
VRNe-100.150.650-30-ZF | 39 (1000) |
59 (1500) |
5500 (2500) |
300-1300 (150-700) |
±5 | two | 115 | |
VRNe-120.150-650-30-ZF | 48 (1200) |
59 (1500) |
6600 (3000) |
300-1300 (150-700) |
±5 | two | 135 | |
VRNe-140.250-650-45-ZF | 55 (1400) |
98 (2500) |
9900 (4500) |
300-1300 (150-700) |
±5 | three | 210 | |
VRNe-160.250-650-60-ZF | 63 (1600) |
98 (2500) |
13200 (6000) |
300-1300 (150-700) |
±5 | three | 225 |