All Kinds of Deburring Unit for You

Posted on Dec 12, 2020

Deburring Unit

A deburring process is usually used to remove the unwanted material adhering to the workpiece after a manufacturing process.

A deburring process is usually used to remove the unwanted material adhering to the workpiece after a manufacturing process. The burr may consist of a sharp raised edge or a small piece of metal attached to the workpiece. Manual deburring is a commonly used method in the industry. This is a flexible process because it allows immediate inspection. Many manual deburring practitioners often complain about the difficulties. This situation is caused by repetitive tasks or forced deburring. The practitioners may experience pain, stiffness, or weakness in the affected area. It isn’t rare that people who perform deburring will complain about "white fingers". This situation is caused by a change in feeling. White fingers can cause permanent numbness and muscle weakness. Common deburring methods include electrochemical deburring, thermal deburring, and low temperature deburring. These methods are extremely costly and time-consuming.

Some specialize in vibratory deburring. This method of burr removal consistently provides brilliant results and is also extremely cost-effective. A vibratory deburring machine can deburr large amounts of stocks within a short period of time. It minimizes the effort the operators invest in. The items are vibrated in a large tub along with specifically shaped media and liquid compounds. This effectively removes the burrs. Such a process is conducted in an open tub, which allows the operator to easily observe the items inside as long as the progress is being made.
 

:: See Product : Portable Chamfering Machine

Hole Deburring Unit

Several brands of deburring tools are provided. Most have spring-loaded knives mounted in the tool holder. The bottom end of the cutter has a taper that will deburr and chamfer the front side of the hole when it enters the hole. The center part of the cutter is smooth with edges, so it passes through the hole without damaging the hole. When the tool is withdrawn from the hole, the taper hole on the top of the cutter blade will punch the back of the hole.

Deburring tools from a few firms have replaceable tools that can be customized to perform the specific deburring/chamfering tasks required. It can be up to two inches long, or larger custom tools can be used. A drill can be added to the design, or a separate tool can be used for chamfering a hole. It also provides a series of micro deburring tools for holes as small as 1 mm in diameter.
 

Brush Deburring Unit

Special brushes can remove burrs, especially on machines. The brush can be included as a tool in the tool changer. The firms with brushes offer a variety of engineered brush products, including nylon abrasive filament disc brushes, which are designed to deburr flat parts with multiple surface holes, slots, or cavities.

When using a brush, if you want to automate the deburring application, there are usually three options. If you want to use a robot for deburring you can take the part to the brush or the brush to the part. He said that in a horizontal machining center equipped with real-time tools, you can put the brush in the tool changer. Or, you can use special equipment to deburr parts or parts series.

There is also one thing to be pointed out as a special advantage of deburring parts on the machine: A single point of responsibility for the quality of parts. In mass production, the operator is responsible for the parts, not the burrs, and ignores downstream deburring problems ( It is caused by the tool change interval being too fast or waiting for too long).
 

High-strength Centrifugal Deburring (Enhanced)

In centrifugal bucket machines, several cylindrical containers are mounted to a rotating base, which can be vertical or horizontal, depending on the machine. The base rotates in one direction, while the barrel rotates in the opposite direction. This generates a lot of force, so the centrifugal drum finisher can complete the deburring and finishing of parts in the time required in a conventional vibrating or drum finisher. Despite the large force generated, the effect of the finishing medium on the parts is still soft enough to be used for key small medical parts, such as "small stents and tiny biopsy forceps", and larger parts.
 

Centrifugal Disc Dresser for a Deburring Unit

Another type of high-intensity finishing system is a centrifugal disc finishing machine. This type of unit provides a container in which you can place parts and organize media. The disc at the bottom of the chamber will spin quickly, causing the contents to rotate and move outward toward the container wall.

Some specialized manufacturers of small centrifugal disc finishing equipment can have the deburring nit force produced is almost the same as that in a centrifugal drum finishing machine. The finishing time of a centrifugal disc finishing machine is only a small part of the more common deburring methods. An example is every 100 minutes, a standard barrel drum runs under 1g (gravity/pressure), the vibration system will produce the same result within 10 minutes of 8g's, and the centrifugal disk at 24g's equals 1 minute.  Here, "g" represents acceleration due to gravity and is used as a measure of relative force generated.

Centrifugal disc dressing is suitable for many small parts applications in industries such as automobiles and medical equipment. However, due to the gap between the disc and the container, extremely small parts may not work. On a disc polishing machine, the determining factor is the gap between the disc and the wall.
 

:: Read more : A Brief Introduction to Chamfering Machines and Related Machineries

Advantages:

● It is also possible to cut off the compensating feature, depending on the model.
● Completely variable intensity for strain.
● The compensating role guarantees excellent surface consistency.

There are classes consisting of pneumatic motors or electro-spindles attached to compensating systems which are mounted on a robot or on a fixed stand. This compensates for mistakes that might arise when the outline of a piece to be trimmed is followed. Place errors down to a few millimetres are accounted for. If the outline of a part with an irregular surface needs to be deburred rapidly and efficiently without leaving unnecessary burrs on the edge or breaking the tool shank, the compensating deburring unit must be used. By changing the air pressure in the compensating unit, the spindle is radially compensated and centered to provide a steady force against the component when following its design.

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