Machines & equipment for sale

Deburring Machines – What are your Choices?

The formation of burrs not only decreases the quality of metal but also increases its production cost. To remove the burr from edges and holes, deburring is needed. The complexity of the process of deburring depends on various factors including its size, where it is located and the material to be deburred.

Deburring Machinery

Mechanical Deburring Machines

Mechanical deburring machines use brushes, cutters and tools to grind and cut away burrs, especially heavy burrs that are harder for other machinery to deal with. These machines can be manually operated but there are many advanced operations right up to robots with articulated arms.

Well known to Rileys are belt or brush deburring machines. The very basic explanation is that the machine uses “sandpaper” to smooth away the burrs. Naturally, the full explanation is more complicated with machines often using several techniques and abrasives to achieve a great result.

Barrel Tumbling

Barrel tumbling removes burrs and polishes the surface of the metal part. Barrel tumbling can be wet or dry. In wet tumbling, water is loaded, acting as a lubricant and helps wash out residues to improve deburring efficiency. In Dry tumbling, only sand and dried organic materials are used. Sand improves polishing and carries the residues and prevents them from embedding onto the surface of the part.

Vibratory Deburring

Vibratory deburring machines are similar to barrel tumbling where parts are loaded into a chamber along with compounds. The main difference is the movement of the chamber; tumblers rotate to generate agitations inside the chamber, and a vibratory machine vibrates to generate motion.

Water Jet Deburring

In this type of machine, an impact force of high-velocity water jets are used to remove burrs from the metal. Water jets are CNC controlled and low pressure is used to prevent damaging the part so it will only remove thin and loosely attached burrs. The main advantage of waterjet deburring is that it can reach inaccessible areas.

Thermal Deburring

In the thermal deburring process, the metal is exposed to hot corrosive gases for a very short period. A thermal shockwave is generated which quickly vaporizes the burr.

Cryogenic Deburring

This method is applied mostly to precision plastic parts that have inherent impact toughness. Liquid nitrogen is flashed into a chamber containing parts to be deburred. The flashing process cools the chamber near the glass transition temperature of the part material. This process embrittles the burrs and flashes but is not enough to change the properties for the rest of the parts.

Abrasive Blasting

In this process, abrasive media is used to impact the surface and remove any irregularities. Abrasive blasting is used to remove larger burrs and to create the required texture and surface roughness. Micro-abrasive blasting is more precise in creating smoother surfaces without damaging or changing the dimensional accuracy of the part.

Electrochemical Deburring

Electrochemical deburring uses the principles of electrolysis only on the regions where the burrs are located. In this process, an electrolyte is added which transfers charge between the tool and workpiece. This method is used for deburring difficult to machine geometries that are conductive.

At Riley´s we have a variety of machines to suit your deburring needs, such as vibratory bowls, deburring machines, and polishing and belt lining machines

Walther Trowal Magnetic Conveyor / Seperator

If your work pieces and abrasive media are roughly similar in size, then the external magnetic separation units from Trowal could be the ideal solution for precisely separating parts. This saves both time and money over manually screening your parts and media once it has left the system.

Stock No: MB770
Category: Vibratory Deburring & Polishing Machines
Model: Walther Trowal Electro - Magnetic separator MS225 BL3400
Year of Manufacture: 1995
Capacity: Track 200mm wide
Type: Electro-magnetic mag and de-mag
Other Info: Height adjustable between 1300 and 1500m
Condition: Seen working by RSW, Good Condition
Refurbished Price [?]: £ Login or Register for price.
Sold As Seen Price [?]: £ Login or Register for price.