Ovens - Kalyani Furnaces Pvt. Ltd.

Aging Oven

An aging oven is a specialized industrial oven used to simulate long-term material exposure to heat and environmental conditions. It is commonly used in the electronics, aerospace, automotive, plastics, rubber, and metals industries to:

• Test material durability
• Accelerate aging processes
• Improve material properties
• Stress-relieve components

Key Features

Temperature Control & Uniformity:
- Wide range: Typically from ambient to 300°C (572°F) or higher
- Precision temperature control (±5–10°C accuracy)
- Uniform heat distribution for consistent results
Air Circulation: Forced air convection (horizontal or vertical)
Programmable Controllers:
- Touchscreen interfaces (PLC or digital controllers)
- Multiple-step profiles for temperature cycling
- Data logging and remote access options
Construction & Materials:
- Stainless steel interior for durability and corrosion resistance
- Double-walled insulation for thermal efficiency
Safety Features:
- Over-temperature protection
- Door interlocks
- Alarms for temperature deviation
- Emergency shutoff

Burn Off Oven

A burn-off oven for hanger burning is a specialized industrial oven used to clean paint hooks, hangers, racks, and fixtures in powder coating and painting operations. Over time, these items accumulate layers of paint that can interfere with conductivity and product finish. A burn-off oven removes these coatings thermally, restoring the metal components for reuse.

Key Features

Precise Temperature Operation:

Typical temperature range: 400°C to 700°C
Sufficient to incinerate hardened coatings without damaging steel hangers

Afterburner for Smoke & VOC Destruction:

Integrated afterburner (secondary chamber) destroys smoke, fumes, and VOCs
Helps meet EPA and local air quality standards
Reduces odor and visible emissions

Controlled Pyrolysis Process:

Slow temperature ramp-up prevents flash burning or part warping
Low-oxygen burn chamber to reduce fire risk
Programmable cycle times (usually 2–4 hours)

Rugged Construction:

Heavy-duty steel chamber with high-temp ceramic insulation
Stainless Steel tray for ash collection

Easy Loading & Unloading:

Front-loading, roll-in cart system
Designed to handle large batches of hooks, hangers, and tooling
Custom sizes available depending on line capacity

Safety Systems:

Over-temperature protection
Fire suppression by water spray in side oven
Door interlocks, alarms, and pressure relief valves

Energy Efficiency:

Smart control systems for cycle optimization
Insulated design minimizes heat loss
Optional heat recovery systems (recuperator)

Key Functions:

Remove cured paint, powder coating, and residue
Clean metal hangers, jigs, and fixtures used in spray booths or paint lines
Minimize manual labor and extend hanger life
Maintain grounding for effective electrostatic painting

Core Baking Oven

A Sand Core Baking Oven is a specialized industrial oven used in the foundry industry for curing or hardening sand cores that are used in metal casting. These cores are made using a binder mixed with sand, and baking them strengthens the core for use in moulds.

Key Features

High-Temperature Capability:

Typically operates between 150°C to 300°C (300°F to 570°F).
Capable of uniform baking to ensure consistent core strength.

Uniform Heat Distribution:

Uses forced air circulation or radiant heating.
Ensures even curing across all core surfaces, avoiding soft spots.

Customizable Size and Load Capacity:

Designed to handle various core sizes and quantities.
Can be batch type or continuous conveyor-based depending on production needs.

Digital Temperature Controls:

Precise control and monitoring of baking temperature and cycle duration.
PID controllers for thermal stability.

Decoring Oven

A decoring oven is an industrial oven used in metal casting and foundry operations to remove sand cores from cast metal parts after the casting process. This is particularly important in castings with complex internal cavities, such as engine blocks or cylinder heads.

A decoring oven uses thermal and mechanical methods to break down and remove residual core sand and binders from inside cast components. It softens or burns off the binder holding the sand core together, making it easier to remove through vibration or blasting.

Key Features

High-Temperature Operation:
- Operating temperature: 400°C to 700°C (750°F to 1300°F).
Thermal Shock Resistance:
- Oven chamber designed to handle repeated thermal cycling.
- Durable insulation to withstand rapid heat-up and cool-down.
Vibration or Impact System Integration:
- Often integrated with a vibration deck post-heating.
- Dislodges sand more efficiently after the binder has decomposed.
Even Heat Distribution:
- Uniform heating to avoid part warping or incomplete sand removal.
- Uses gas burners, electric heaters.
Robust Construction:
- Lined with high-temperature refractory material.
- Steel exterior for long-term durability.
Automated Controls:
- PLC or SCADA systems for temperature control, timing, and safety interlocks.
- Real-time monitoring and recipe-based programs for different casting types.
Safety Features:
- Overheat protection.
- Interlocked doors.

Drying / Tempering Oven

Our ovens are ideal for operations such as aging, tempering, drying, and preheating of steel and aluminum parts. Additionally, some ovens are specifically used for preheating and baking sand cores in aluminum die casting, ensuring precision and efficiency in every process.

Key Features

Material Loading Capacity: 100 kg – 1000 kg OR as per customer requirement.
Working Temperature Range: Available up to 450°C.
Temperature Uniformity: Forced air circulation ensuring temperature uniformity.
Doors: Large opening swing doors for easy access.
Automatic Control System: Thyristorized control panel with temperature controllers.
Insulation: High-quality ceramic fiber insulation for energy efficiency.