Casting Material Frame
Casting material frame is the rack that holds parts inside the furnace. You load castings, forgings, or other metal parts onto it, then pick up the whole frame and put it in the furnace. After the heat treatment cycle, you pull the it out and move it to the next station – cooling, cleaning, inspection, whatever.
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Product Definition
Casting material frame is the rack that holds parts inside the furnace. You load castings, forgings, or other metal parts onto it, then pick up the whole frame and put it in the furnace. After the heat treatment cycle, you pull the it out and move it to the next station – cooling, cleaning, inspection, whatever.
Working Principle
The casting material frame is the middleman between your handling equipment – crane or forklift – and your parts. You arrange the parts on the frame in a pattern that makes sense. Then you lift the whole frame and set it inside the furnace.
During the thermal cycle, it has to take the heat without warping or breaking. After the process, you move the whole batch at once. One lift instead of dozens.
Features
- High load capacity. These frames hold heavy parts. A typical frame for a pit furnace might carry 5 to 10 tons. For a large car bottom furnace, we've built frames that handle 30 tons. The steel has to be thick enough – usually 10mm to 20mm for the main beams.
- Heat resistance. We use heat resistant alloys or cast steel. Standard mild steel would sag at 800°C. Our frames keep their shape. For continuous furnaces running at 950°C, we use 310 stainless or similar.
- Durable. The frame goes through thermal cycles – heat up, cool down, repeat. It has to resist deformation and stress. A well built frame lasts 5 to 10 years depending on the temperature and how careful the operators are.
- Good airflow. An open frame design lets hot air circulate around the parts. Solid plates block the heat. We use bars, rods, or perforated plates. The gap between parts should be at least 25mm for good airflow. Less than that and the parts in the center won't heat evenly.
- Easy handling. It fits forklifts, cranes, and automatic conveyors. We design lifting points that match your equipment. Some customers want pockets for forklift forks. Others want lifting lugs for overhead cranes.
Applications
Foundries
Moving castings for stress relief and annealing. A foundry might pour a batch of castings, let them cool to 500°C, then load them onto a frame for slow cooling in a pit furnace.
Heat treatment workshops
Carrying gears, shafts, and auto parts for tempering and quenching. A transmission shop runs their shafts on custom frames that hold 20 shafts at a time. One frame per batch. Easy.
Sintering and brazing
Securing powder metal parts and welded assemblies. The frame needs to keep parts in position while they sinter. If the casting material frame warps, the parts move. Not good.
Aerospace and defense
Positioning critical parts accurately during thermal processing. These customers usually want frames made from a specific alloy with full material traceability. We provide certs.
Customization
Dingfeng Industrial Furnace. We build to your needs.
Custom shape
We design the frame to fit your parts. Maximize the loading efficiency. One customer had a frame that held 60% more parts than their old design. Same furnace. More throughput.
Stackable structure
You can stack frames vertically. More parts per batch. But you need to leave enough space between layers for airflow. 100mm minimum.
Quenching friendly
The frame design has to let the quenchant reach all parts quickly. No pockets that trap air bubbles. We use open designs with small cross sections to minimize flow restriction.
Surface protection
Shot blasting removes scale. Passivation helps with oxidation resistance. Not always needed, but for high temperature or corrosive environments, it helps.
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