Deep Furnaces

Process Capabilities:

• Solutionising/ Ageing

• Stress-Relieving

• Annealing

• Hardening

• Tempering

• Pre Heating

 

 

The furnace delivers consistent results coupled with reliable performance and is very efficient for heat treatment of components in a batch where quality is governed by a specified heating & soaking rate. The results are assured by uniform temperature control all over the volume of the batch. The furnace is available in variety of sizes and arrangements to meet the customer requirement.

 

 

Salient Features:

• Available in Top loading / Front Trolley operated designs

• Convective air circulation through heat resistant austenitic baffle.

• Process controlled by programmable temperature controllers.

• Heating Elements designed at lower surface load ensures longer life.

• High quality insulation material reduces the initial heating time and minimises heat losses.

• Capable for variety of heat treatment processes.

• Hydraulically operated lift & swing type removable lid.

 

 

Component Processed:

• Cast / Forged Components

• Tempering of fasteners, springs, circlips, bearings, tools, auto parts etc.

• Solutionising & ageing of Aluminum parts

• Heat Treatment of steel components

Process Capabilities

• Stress Relieving of cylinders & pressure vessels
• Heat Treatment of forgings & castings
• Solutionising / Ageing
• Stress Relieving of heavy fabricated components
• Heat Treatments with defined heating & cooling rate

Very-efficient for batch heat treatments of large & heavy components with controlled heating & cooling rate. Various sizes & specifications of furnace are available depending upon application, from 20 to 1000 kW or even higher can designed.

Salient Features

• Heavy reinforced structure of rolled structural steel.
• Heavy duty rope & drum or rack & pinion arrangement
• Door & bogie sealing arrangement
• High grade refractory lining ensures higher thermal efficiency.
• Internal air circulation can be provided optionally.
• Rapid cooling arrangement can also be provided.

These chamber furnaces are offered for a range of heat-treatment applications including stress relieving, normalizing, hardening and tempering. All the chamber furnaces are equipped with effective insulation that reduces heat loss into the work environment and aids in faster heat-up. These furnaces result in faster heating and utilize electrical heating elements or are gas fired/oil fired.

For Bright Annealing / Hardening of SS tubes, coils, strips, wires etc., we offer continuous strand annealing furnace for temperature up to 1150°C. The furnace is offered with Powered Rollers or Conveyor mechanism. Consistent results are assured by heating & indirect cooling in controlled atmosphere. The furnace has proven its successfulness over lower operational cost & very lesser maintenance in long run.

Process Capabilities:

• Hardening

• Tempering

• Normalising

• Iso-thermal Annealing

• Homogenising

 

High Productivity with consistent results characterize this mesh belt type furnace with provision of heating & cooling in protective or reducing atmosphere. The furnace performs very efficiently with scale free product and ensures lesser variability in results. The furnace is available in various sizes and specifications depending upon application.

 

Salient Features:

• Rigid and durable construction due to better reinforcement by rolled structural steel.

• Furnace provided with high alumina refractory material for higher thermal efficiency.

• Conveyor controlled by variable speed drive.

• Freely radiating or radiant tube type heating elements designed at lower surface loading ensures optimum longer life.

• Furnace provided with high alumina refractory material for higher thermal efficiency.

• Uniform temperature due to sub-divisions of furnace in to heating & soaking zones.

• Rapid cooling of parts through water, oil or air cooling arrangement.

• Require very low maintenance in long run.

 

Component Processed:

• Hardening & tempering of fasteners, springs, hand tools, circlips, bearing, chain, locks, auto parts etc.

• Bright annealing of surgical parts, steels parts etc.

• Normalising, Iso-thermal Annealing & Homogenising of ferrous forged components.

Process Capabilities:

• Forging

• Hardening

• Normalising

• Iso-Annealing

• Enameling

• Tempering

• Stress Relieving

 

Cost-effectiveness in operation coupled with optimum power consumption & very lower maintenance features the intermittent feeding pusher type furnace. Uniform heating & soaking of each component is assured with high quality results. Specially designed ceramic tube avoids bunching of successive element coils at high temperatures, in long run. Due to its successfulness at various reputed forging units across the country and abroad, we receive lot of repeated orders.

 

 

Salient Features:

• Rigid and durable construction due to better reinforcement by rolled structural steel.

• High grade refractory lining ensures higher thermal efficiency.

• Convenient handling and controls.

• Pneumatic or Electro-mechanical pusher mechanism.

• Available with door sealing arrangement, to minimize Heat Losses.

• Heating elements designed at lower surface loadings, for longer life.

• Uniform & independent temperature control at each zone assures better results.

 

 

Component Processed:

• Brass valves for LPG, oxygen, nitrogen, CO2, hydrogen etc.

• Copper, brass, aluminum & other forging components

• Hand tools, fittings & other steel forged components

• Brazing of radiators, nozzle, pipe & other assemblies

• Normalising of forged components

• Heat treatment of auto components

• Enameling of mugs

Process Capabilities:

•  Hardening
•  Carburising
•  Nitriding
•  Annealing
•  Austempering
•  Martempering
•  Steam Treatment

Salient Features:

• Heat resistant austenitic steel retort.
• Convective air circulation ensures consistent results.
• Heating zone sub-division for better temperature control.
• Process controlled by programmable temperature controllers.
• Thyristorised heating control can be provided optionally.
• Available with in atmosphere mixing & dosing system.
• Hydraulically operated lift & swing type removable lid.
• Capable for variety of atmospheres.

Retort Arrangement:

• Rotary & Tilting type
• Stationary type

Component Processed:

• Forged components
• Auto-parts

ROLLER HEARTH TYPE HEAT TREATMENT FURNACES

Process Capabilities:

• Carburising
• Nitriding
• Normalising
• Annealing / Bluing / Burn-off

Depending upon the component size & type of process, the roller hearth furnace is manufactured for various applications. The longer parts like slabs, pipes, rods, plates etc. are fed directly on the rollers and smaller parts like forged, casted components etc. are held in fixtures or trays which are charged in furnace.


Salient Features:

• Manufactured for continuous & batch type operations.
• High grade refractory lining ensures higher thermal efficiency.
• Integral Quench / Convective Air Circulation can also be provided.
• Product conveyance rolls allow for direct product loading or using fixtures or trays.
• Uniform temperature due to sub-divisions of furnace in to heating & soaking zones.
• Freely radiating or Radiant tube type heating elements being designed at lower surface loads for their longer life.
• Variety of controlled atmosphere can be used.

Component Processed:

• Longer parts like slabs, pipes, rods, plates, etc.
• Gears, fasteners, forged / casted components etc.

This furnace is front loading type and is very suitable for range of heat treatments involving forced air circulation. The hearth of furnace is movable through roller mechanism for charging & discharging the components, placed on trays. The furnace is lined with energy efficient ceramic fiber modules and provided with thyristorised controlled heating elements to ensure consistent results. Convective heat transfer in all over the volume of the batch ensures higher temperature uniformity. Provisions for controlled atmosphere can also be provided to accomplish processes like Hardening, Carburizing, Nitriding etc.

Process Capabilities:

• Sintering

• Brazing

• Powder Reduction / Annealing

 

High efficiency with optimum utilization of fed energy and reliability in continuous operation characterise this furnace as an economic and promising investment in addition to its technical and technological features.

 

The furnace is available in variety of standard sizes and can be customized as per your actual requirement.

 

 

Salient Features:

• Rigid and durable construction due to better reinforcement by rolled structural steel.

• Furnace provided with high alumina refractory material for higher thermal efficiency

• H₂ + N₂ or H₂ atmosphere can be used.

• Provision of heating & indirect cooling in controlled atmosphere.

• The sub-division of furnace in to de-waxing, heating & soaking zones assures consistent results & reliable performance.

• Freely radiating heating elements designed at lower surface loading delivers longer life.

• Very less maintenance required in long run.

 

 

Muffle:

• Casted muffle

• S.S 310 muffle

 

 

Type of Drive:

• Pusher

• Mesh Belt

 

 

Components Processed:

• Sintered powder metallurgical parts

• Brazing of radiators, nozzle, pipe & other assemblies

• Copper Powder Reduction / Annealing