Description :
What Is An Abrasive Blasting Cabinet?
An abrasive blasting cabinet, also known as sand blasting cabinet, is a process for cleaning and resurfacing metal parts using a heightened pressure stream of air or water mixed with abrasive materials. This method is very effective for removing rust, paint, and burrs, as well as preparing metal surfaces for treatments like anodizing, black oxide, or painting, and achieving a smoother finish.
The abrasive blasting cabinets are made from strong 10-gauge steel and have hinged doors on both sides that open fully and keep doors to prevent abrasive media from spilling out. The inside of the cabinets, where wear is most elevated, is lined and accompanied by rubber sheets. The employment exterior is a wide, perforated steel sheet certain could be efficiently removed. The abrasive blasting cabinet contains a hopper-shaped bottom to collect and recycle the abrasive.
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The abrasive blasting cabinets are equipped with glove ports that include long neoprene gloves with cloth-lined hands for comfort. The sight windows are assembled of safety glass and are sealed accompanied by a rubber gasket. A built-in separator recycles the recyclable abrasive back to the hopper and transmits the broken-down abrasive, dust, also waste to the dust collector. The dust collector has a bag-type filter also an exhaust blower in a sturdy steel chamber.
An abrasive blasting cabinet is a machine used for cleaning or finishing objects. You put the object inside the cabinet, and blasting is done either automatically or manually. For manual blasting, the machinist positions their hands through glove holes, holds the sand blasting nozzle, and aims it at the object while looking through a window. In an automatic machine, the operator just needs to load and unload the objects. All the abrasive material and dust stay inside the machine.
Abrasive Blasting Cabinet Working
An abrasive blasting cabinet operates on the direct pressure principle, whichever means it shoots abrasive material at high speed, cleaning surfaces quickly. It has a pressure vessel instantly connected below the cabinet hopper that automatically refills with abrasive. A fabric bag dust collector is contained for efficient dust collection, and it has a manual shaker for cleaning the bags. This setup is great for immediate cleaning, extracting serious rust also declining accompanied by granulated abrasives, and preparing exteriors for thermal spraying. The blast pressure could be adjusted from 30-90 psi, and it can use nearly all kinds of granulated and medium-size abrasives, turning on the job.
Here are some basic operating rules these are following:
- Before opening the chamber, turn off the blasting and let the exhaust system handle long enough to clear out the dusty air.
- Check that the seals around the door, viewing window, and gloves are in good condition. Ensure there's no dust on the cabinet equipment ledges or any surface around the blast cabinet.
- Regularly clean the area around the cabinet with a HEPA vacuum. Never brush or clean dust from the blasting process, as this assembles a dust cloud and assembles particles airborne.
- Regularly substitute the siphon hose. When the walls of the pipe get also thin, it will collapse and block the flow.
- Always observe the manufacturer’s instructions for maintenance and troubleshooting.
Types of Abrasive Blasting Cabinet
Suction Blasting Cabinets
Suction blasting cabinets are perfect for cleaning and finishing surfaces to solve coating and corrosion issues. They are perfect for creating decorative or aesthetically pleasing finishes on various materials. Suction systems are usually cheaper to buy than pressure cabinets and use less compressed air, making them a good choice for smaller workshops or lower production needs.
Pressure Blasting Cabinets
Pressure-feed abrasive blast cabinets are great for dragging serious corrosion, tough coatings, or when you need fast production rates. They clean until five times quicker than suction cabinets and work well accompanied by heavy-duty, long-lasting abrasives like iron and steel. Pressure abrasive blasting cabinets are often used in high-production settings or for tasks like refurbishing alloy wheels also cleaning heavy castings.
Wet Blasting Cabinet
A wet blasting cabinet is a small enclosed space used to clean or strip components of paint, rust, oxidation, grease, or other contaminants. The used slurry (a mix of water and abrasive media) is collected in a sump and can be filtered and reused multiple times. Depending on the type of abrasive media used, wet blasting can create an etched surface, a smooth finish, or a polished finish.
Abrasive Blasting Cabinet Advantages
- Wearable parts like blast nozzle and vibrator balls are ceramic-coated to last longer.
- The nozzle is assembled of boron carbide, whichever lasts three times longer than a tungsten carbide nozzle.
- Supplements like vision windows, nozzles, & hoses are easy to fit.
- The cabinet has bright lighting and good ventilation for clear visibility during blasting.
- It is designed ergonomically to maintain the operator comfortable.
- The doors include a cam lock system and a single lever for a tight seal.
- The hose is flexible, antistatic, lightweight, and durable.
- The fan's noise level is maintained below 80 dBA at the operator's position.