tel. +886-2-278-45675 (1-30)  fax.+886-2-278-45676  e-mail:     info@rgt.tw

CONTINUOUS FURNACE FOR CARBURIZING, HARDENING AND TEMPERING


CONVEYOR FURNACES FOR FASTENERS


Application of heat treatment equipment

A conveyor furnace is an industrial furnace in which the product moves from the loading station to unloading on a conveyor. Continuous conveyor furnaces can perform a variety of heat treatment processes, such as cementation, carbonitriding, tempering screws, nuts, bicycle parts, hand tools, hardening of mechanical parts of automotive accessories, fasteners, chains, bearings, tools and other products and ending with a sharp cooling in oil or water, polymers and salts.

  • Carburizing and hardening of metal products: self-tapping screws, self-drilling screws, wood screws.
  • Hardening of fasteners (bolts, nuts).
  • Thermal processing of bicycle parts, motorcycles, cars.
  • Heat treatment of hand tools


GAS HEATING TYPE or ELECTRICAL HEATING TYPE ?

Before selecting a continuous furnace for heat treatment of metal products it is necessary to pre-determine for yourselves the type of heating furnace. Furnaces are of two types: electric and gas heating furnace. To calculate the cost of production is strongly recommended to study the table which shows the calculation of the cost of running the continuous furnace line (Taiwan).


Calculating the cost of operation of the continuous furnace line



ONE WHOLE-SET OF CONTINUOUS BRIGHT CARBURIZING (HARDENING) QUENCHING FURNACE (BY GAS BURNER SYSTEM)

One whole-set of continuous bright carburizing (hardening) quenching furnace (by gas burner system), model RG, for heat treatment (hardening + carburizing and high tempering) of fasteners (allpurpose screws, nuts and special products) in protective atmosphere.

One whole-set of continuous hardening quenching furnace for heat treatment of fasteners


Features of hardening and tempering furnaces with gas heating:

gas
  • Used in fasteners industries, automobile, motorcycle, bicycle parts industries, chains industries, concrete nails industries, hand-tools industries, hardware industries, stationery industries, forging parts industries, aerospace industries and commercial heat-treatment industries, ect.
  • The gas burner is made on the basis of US technology. Exhaust air is removed through the exhaust pipe. The special design of double pipe maintains a uniform temperature. 60% of the heat carried in the heat exchanger.
  • The radiation tube is made of heat-resistant centrifugal cast pipe according to Japanese production technology with small deformation, and increased service life.
  • Gas heating system saves energy costs.
  • The heating process is much faster than when heated by electricity. The oven is ideal for mass production.

Technical Specification

ModelProcessing capacityThe width of the conveyor, mmInside furnace height, mmAnnealing chamber length, mmMaximum combustion, kcal/hrMaximum power, kW
for the production of medium-high carbon steel, kg/hrfor the production of low carbon steel, kg/hr
RG-811-1506-572413-463800100600018000045
RG-811-2720-780546-598800100800030000090
RG-811-31000-1100833-9178001001000045000090
RG-811-41800-19801499-1650120010012000690000135


General Description of the Conveyor Hardening-Quenching Unit

The area occupied by the equipment51 m × 2,5 m = 127,5 m2
Space requirements for equipment61 m × 6 m = 366 m2
The processing time in the tempering furnace40 - 100 min
The density of products layout on the conveyor belt of tempering furnaceno more than 118 kg/m2
Water temperature of the washing device degreasing: 60-80 °C
phosphate removal: 60-80 °C
The amount of residual product contamination after washingno more than 0,3 kg per tonne
Temperature in the tempering furnace800-930°C
Temperature uniformity in the furnace chamber±6°C
Hardening furnace atmosphereshielding gas - endogas; additional gas -propane + air
Maximum hardening oil temperature90°C
Temperature in the tempering furnace380-700°C
Temperature uniformity in the tempering furnace±6°C
Tempering furnace atmospherewithout protective atmosphere - air
Maximum temperature of the composition in the emulsion
Cooling bath (bath anticorrosion treatment)
50°С



CONTINUOUS BRIGHT CARBURIZING QUENCHING FURNACE / WHOLE-SET EQUIPMENT FOR HEAT TREATMENT ELECTRIC HEATING TYPE

электричествоElectric heating type continuous bright carburizing quenching furnace applications: fasteners industries, automobile, motorcycle, bicycle parts industries, chains industries, concrete nails industries, hand-tools industries, hardware industries, stationery industries, forging parts industries, aerospace industries and commercial heat-treatment industries, etc.


Конвейерная печь для светлой цементации, закалки и отпуска метизов

Brief Technical Specification

ModelTreating Capacity to Middle or High Carbon SteelTreating Capacity to Low Carbon SteelWhole-set Total Power Output (kw)Whole-set Power Used Middle Carbon 85% / Low Carbon 70% (kw)Whole-set Total Length (mm)
kg/hrtons/monthkg/hrtons/month
RG-805-A124-13877-8648-6930-43183-177150/12325495
RG-805-1198-220123-13884-12052-75218-203173/14227995
RG-805-2352-385220-242204-240127-150320-290247/20331495
RG-805-3414-483259-299313-350195-218393-353300/24731995
RG-805-4506-572316-358413-463258-289464-439373/30731995
RG-805-5720-780450-486546-598341-373543-513436/35935995
RG-805-61000-1100624-686833-917520-572655-615522/43039430
RG-805-6S1200-1320749-824999-1100624-686749-688636/48143430
RG-805-71250-1375780-8581040-1146649-715759-683645/47839430
RG-805-7S1500-1650936-10301249-1375779-858886-797753/55843430


Furnaces for heat treatment. Completed projects

Furnaces for heat treatment. Completed projectsFurnaces for heat treatment. Completed projectsFurnaces for heat treatment. Completed projectsFurnaces for heat treatment. Completed projectsFurnaces for heat treatment. Completed projectsFurnaces for heat treatment. Completed projects

click to see more images



EQUIPMENT CONFIGURATION OF THE HARDENING AND TEMPERING LINE FOR HEAT TREATMENT

Conveyor hardening and tempering unit for heat treatment of fasteners, metal products and parts, as a rule, consists of ten components of the equipment.

 

Furnace line for heat treatment of conveyer type


RG-800AThe mechanism of automatic supply by magnetic belt
RG-801Endothermic gas generator automatic temperature control panel
RG-804Front tank for cleaning and degreasing
RG-805/810AHardening furnace with continuous automatic temperature control panel
RG-806Tank for oil hardening
RG-807Back tank for cleaning and degreasing (flat type)
RG-808/810BContinuous tempering furnace with hot blast (max. Temp. 650°C) / automatic temperature control panel
RG-809Tank for anticorrosion treatment (level two)
RG-802ATwo-channel automatic carbon control device (made in USA) (with solenoid valve)
RG-810CAutomatic Control Panel
RG-811Computer system
Spare partsOperational parts, tools and accessories for 1 year operation of the unit.


To see the specification of the hardware, click on the appropriate section.



CONVEYOR-TYPE BLACKENING FURNACE

Continuous furnace for blackening of metalware


Equipment Application

  • Widely used for blackening, continuous hardening of metal products, followed by tempering

Peculiarities of equipment:

  • Environmental security.
  • The heat treatment temperature should exceed 400°C.
  • The best effect is achieved for the blackening of parts with uniform color and good anti-corrosive performance.

SPECIFICATIONS

ModelThrough capacity, kg/hThe width of the conveyor, mmInside furnace height, mmAnnealing chamber length, mmFeed length, mmOutput volume, m3/hMaximum power, kW
RG-814-1750-85010001007000220060145
RG-814-2950-105010001009000220080189
RG-814-31150-1250100010011000220080252
RG-814-42100-24001400100130002200120360



CONTACT US:
© 2007 - 2024 Rost Group & Technology Co., Ltd. All rights reserved. 
(coordinator and exclusive representative)