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Seamless Steel Tube Shot Blasting Machine by QGMA

Seamless steel tube shot blasting machine is a best way to remove rust, paint and other parts.

QGMA has rich experience of designing and producing all kinds of air blast and wheel blast machines. Let us introduce Seamless steel tube shot blasting machine to you:

The roller conveyor shot blasting machine is mainly used for surface cleaning of steel structural parts、profiles、steel pipes、steel plates、steel bars.  It have high efficiency and low cost.

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The roller conveyor shot blasting machine is mainly used to construction and other industries. It is used for eliminate stress and remove surface rust of large I-Beam and more higher dimensions H-Beam steel structures. During the cleaning process the adjustable speed roller conveyor controlled by the electricial system and then sent the steel structure and steel into the shot blasting chamber. Every surface of the workpiece are hit and rubbed by strong and intensive projectile from different coordinate directions, so that the oxide skin ,rust layer and dirt on it fall off rapidly, and the steel surface has a certain smooth and hardness, improve the adhesion between the paint film and the steel, improve the inner quality of the steel and extent its service life. It need load and unload the workpieces on the roller conveyor at both sides of the cleaning room. The abrasive and dust falling on the steel are cleaned by the pulse back blowing device. The mixture of abrasive and dust is conveyed to the chamber funnel by the recovery screw and collected in the lower part of the elevator by the vertical and horizontal screw conveyor, and then lifted to the separator on the top of the machine. The separated pure steel shot falls into the separator hopper for circulation of the shot blasting machine. The dust generated during the shot blasting is sent to the dust removal system by the exhause pipe. The purified gas is discharged to the atmosphere and the granular dust is collected in the dust removal device. The clean is discharged into the atmosphere.

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roller conveyor shot blasting machine 2

Longitudinal submerged arc welding roller conveyor shot blasting machine

Longitudinal submerged arc welding shot blasting machine is a best way to remove rust, paint and other parts.

QGMA has rich experience of designing and producing all kinds of air blast and wheel blast machines. Let us introduce longitudinal submerged arc welding shot blasting machine to you:

The roller conveyor shot blasting machine is mainly used for surface cleaning of steel structural parts、profiles、steel pipes、steel plates、steel bars.  It have high efficiency and low cost.

roller conveyor shot blasting machine 3

Operating Principle

The roller conveyor shot blasting machine is mainly used to construction and other industries. It is used for eliminate stress and remove surface rust of large I-Beam and more higher dimensions H-Beam steel structures. During the cleaning process the adjustable speed roller conveyor controlled by the electricial system and then sent the steel structure and steel into the shot blasting chamber. Every surface of the workpiece are hit and rubbed by strong and intensive projectile from different coordinate directions, so that the oxide skin ,rust layer and dirt on it fall off rapidly, and the steel surface has a certain smooth and hardness, improve the adhesion between the paint film and the steel, improve the inner quality of the steel and extent its service life. It need load and unload the workpieces on the roller conveyor at both sides of the cleaning room. The abrasive and dust falling on the steel are cleaned by the pulse back blowing device. The mixture of abrasive and dust is conveyed to the chamber funnel by the recovery screw and collected in the lower part of the elevator by the vertical and horizontal screw conveyor, and then lifted to the separator on the top of the machine. The separated pure steel shot falls into the separator hopper for circulation of the shot blasting machine. The dust generated during the shot blasting is sent to the dust removal system by the exhause pipe. The purified gas is discharged to the atmosphere and the granular dust is collected in the dust removal device. The clean is discharged into the atmosphere.roller conveyor shot blasting machine 5

hanger type blasting machine

QGMA undertake shot blasting machine project for CRCC train door production line

CRCC Corporation Limited is one of the biggest rolling stock building manufacturers in the whole worldand, mergered by CNR and CSR in 2015. CRCC is a leading rolling stock corporation and takes about 90% of China market. CRCC has also successfully expanded oversea markets like South-East Asia, South Asia, Europe, etc.

QGMA is a manufacturer of surface treatment machines, such as: shot blasting machine, sand blasting room, shot peening machine, portable shot blaster, etc. QGMA has rich experience cooperating with various industries, and has won high satisfaction from customers over 50+ different countries.

In this cooperation, CRCC highly recognized QGMA’s innovation and quality control power. QGMA offered a highly custom-design hanger type shot blasting machine according to CRCC’s production character and daily production quantity, combined with high cleaness, long service time, high safety, low noise, low energy cost and environment-friendly.

QGMA has been expanding higher level markets and over sea markets for more than 10 years, has successfully produced all kinds of machines such as roller conveyor type, hanger type, overhead rail type, wire mesh type, rotation table type, and other types for various industries: casting, shipyard, automobile, tool making, welding, aerospace, etc.

hanger blasting machine

steel plate shot blasting machine 1

How to remove the steel shot on the surface of the steel plate after shot blasting?

As one of the raw materials of most steel products, steel plates usually require high surface adhesion. One way to achieve high-strength surface adhesion is shot blasting.

We have two kind of shot blasting machine suitable for blast steel plate:

  1. Roller conveyor shot blasting machine

steel plate roller conveyor shot blasting machine    2. Movable shot blasting machine

movable shot blasting machine

But many customers will worry about a problem. After the shot blasting, there is steel shot on the surface of the steel plate. How do I clean it?

 

Don’t worry, QGMA will give you a satisfactory solution.

  1. For movable shot blaster, that with auto recycle system. When the machine is working, the recycle system also working, that can recycle the used steel shot automatically. Also the shot blaster with Magnetic Sweeper, that can recycle extra steel shot.
  2. Roller conveyor shot blasting machine, that with abrasive cleaning up system, will remove the abrasive and dust that on the steel plate surface.

Abrasive cleaning up system including: brush, screw conveyor, abrasive blowing fan and lifting mechanism.

All the abrasive cleaning up system into the rear sealing chamber. After blasting, the steel plate in the rear sealing chamber, the lifting mechanism spirally lowers the brush and screw conveyor to an appropriate height according to the height of the steel plate, then it working. High – pressure fans release high – intensity wind, that can blow the steel shot on the surface of steel plate, and then the brush sweeps the steel shot to the screw conveyor, then into the recycle system. After abrasive cleaning up system working, the surface of steel plate no any steel shot and dust. Customer can do painting working and drying working.

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Because we are very professional in steel plate shot blasting machine, CNPC ( China National Petroleum Corporation) has ordered 1 set steel plate roller conveyor shot blasting machine from QGMA on last month.

We are very professional in blasting machine, please do not hesitate to contact us if you are interested in blasting equipment!

The customized of crawler belt shot blasting machine

The crawler belt shot blasting machine is used to the high speed rotate impeller projected the steel shot to the work piece . It is suitable for the sand removal、rust removal、oxidation and surface strengthening of small castings、forgings、stamping parts、gears and other parts. It is especially suitable for the parts that are not afraid of collision. Our standard program of the crawler belt shot blasting machine is filling volumes ranging from 50 to 550 liters. The machine can be used not only a single machine, but also a part of line.

The  work principle:

1、Put the work pieces into the chamber and start the machine.

2、When the crawler belt move towards, the work pieces are rotating constantly. The steel shot projected to the rotating work pieces surface with a high speed so that can cleaned uniform completely.

3、The steel shot flows into the screw conveyor through the hole on the crawler belt, and then transported to the bucket elevator. And finally lifted to the separator.

4、The dust is sucked by the fan into the dust collector and the clean air is discharged to the atmosphere. The dust on the cartridge filter is pulsed back into the dust collection box.

5、The shot sand mixture is separated by separator ,the clean steel shot will recycle to use .

6、After the shot blasting is finished ,the door of chamber will open and the crawler belt reverses to unload the work pieces.

How to choice :

The choice of machine depends on the volume 、the batch weight、the shape of the work pieces to be blasted.  In order to meet your surface treatment needs ,we will develop customized shot blasting machine for you according to your work pieces.

roller brush

Abrasive Cleaning Up system on Shot Blasting Machine

Abrasive cleaning up system is a important parts on roller conveyor shot blasting machine.

After blasting work, it will have abrasive cover the workpiece, that will affect the blast cleaning effect, and will affect painting it. So it need a system to remove the abrasive, that is abrasive cleaning up system.

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The abrasive cleaning up system is equipped with a set of wear-resistant nylon roller brush, a pill coil and high pressure blower, a pill coil and high pressure blower. After shot blasting when the steel plate passes through the cleaning room, the roller brush can roll in the best position (make the roller brush contact with the work piece), Rolling and rotating, sweeping the left pills on work piece surface into the pill screw, The pill is transported to the lower room for circulation, and the wear-resistant roll brush not only can clean the steel plate, but also can clean all kinds of steel (angle steel, channel steel, T steel, H steel, etc.). Especially for H steel, its role is more prominent. After the work piece rolling brush cleaning, then use high-pressure pipe (driven by high pressure fan) continue to clean scattered pellets and dust on the surface, make the surface leaving less pellets and impurities, in order to improve the adhesion of the film.

The key component nylon roll brush has the following advantages: high elasticity and phi 3.5mm imported composite nylon material, moderate hardness, great elasticity and good wear resistance. Service life over 3500 hours.

Brush hair clip is firm, with special tooling to brush hair woven into a block, no brush off work phenomenon.

After the whole nylon roller is installed, the spindle head ensures the coaxially. Good dynamic balance and smooth workroller brush 1

Shot blasting machine & sand blasting room quality control

As a large machine that needs to be installed at the customer’s site, there are many installation details of the shot blasting machine & sand blasting room, which require the seller to strictly control the quality of the product itself and communicate with the customer in detail during the installation.Especially for foreign customers, if the product itself is found to have quality problems such as improper size during installation, it will be very troublesome to solve the problems considering transportation, field personnel and other factors.

Quality control in QGMA

With decades of experience of innovation, design and manufacturing of shot blasting machine & sand blasting room, QGMA has complete control methods to ensure the blasting performance, service time and smooth installation.

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100% Trial Run

Shot blasting machine and sand blasting room are designed and produced according to customer’s work piece, produce efficiency and factory space. Each machine is assembled by thousands of customized parts. If we find any problem during installation, it would be very big problem.

QGMA insist on a trial run of all machines we produced in our factory, to ensure the mechanical performance.

100% Pre-assembly

QGMA insist on pre-assemble all machines as much as possible on site, to ensure different parts fit well. Workers are also requested to measure the levelness and perpendicularity of every surface of the machine.

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QGMA also send engineers to conduct one-to-one installation and use training at customers’ site.

 Quality is our life. Service is our mission.

QGMA has delivered the rotary table shot blasting machine

QGMA has loaded the container for delivery rotary table shot blasting machine today.

Application of turn table shot blasting machine

Rotary table shot blasting machine is suitable for casting, building, chemical, electric machine, machine tool and other industries such as casting, forging surface cleaning or strengthening. Especially for varies type small amount castings, forgings and steel structural parts surface cleaning and polishing, to remove the work pieces surface adhering sand, sand core and oxide skin; also suitable for surface cleaning and strengthening of heat-treated pieces; especially suitable for unfavorable collision long and thin wall parts cleaning.

rotary table shot blasting machine 2

The composition of the rotary table blasting machine

  • Blasting chamber
  • Elevator
  • Separator
  • 1blast wheel assembly
  • Abrasives dosing system
  • Rotary table rotary device
  • Rotary table system
  • Rotating device
  • Dust collect system
  • Electrical control part

QGRT1000 turn table shot blasting machine is a stander model, it with 1 unit 7.5kw blast turbine, which is mounted on top of the blasting chamber. That with 1 set 1000mm rotary table system.

rotary table shot blasting machine 3

Working routine

The turn table shot blast cleaning equipment can be operated in automatic mode and manual mode. When in manual mode, the working routine is:

dust collect system running→Elevator open, separator open→Open blast wheel→Open abrasive supply valve, start clean→The abrasive dosing unit will be automatically stop after running out of the settled blasting time→Blast wheel stop→Rotary table rotating stop→Open the chamber door, the workpiece get out of the blasting chamber→Abrasive supply valve、blast wheel stop, rotary table stop rotate, elevator stop, dust collector stop, the whole machine stop

rotary table shot blasting machine 4

Rotary table shot blasting machine is non-standard blasting equipment, we can according to work piece size (width* height) to design the size of the machine. Usually, rotary table shot blasting machine adopt the most popular no pit structure, not only save the construction cost and time, but also solve the problem that elevator shot/sand rust agglomerate caused by pit water storage.

rubber belt shot blasting machine 6

How to change the Rubber apron for Tumble Belt Shot Blasting Machine?

What is Tumble Belt Shot Blasting Machine?

Tumble belt shot blasting machine adopts the endless rubber apron to form a special barrel, to make the work pieces tumble continuously during shot blasting process .It is mainly used in forging work pieces and metal work pieces. Tumble belt shot blasting machine can be used not only ad a single machine ,but also as a part of line.

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The role of Rubber apron for Tumble Belt Shot Blasting Machine

The rubber of  tumble belt shot blasting machine is an important part, which is mainly responsible for the turning and transportation of the work pieces, the crawler is related to whether the equipment can run normally,.

So it is very necessary to carry out daily maintenance of the rubber apron of tumble belt shot blasting machine and prolong the service life as far as possible.

rubber belt shot blasting machine 2

The operational principle of rubber apron.

The main working principle of the rubber apron is that the three shaft rollers wear a seamless ring rubber belt, with two end plates pressed to form a flipping work bin, place the product on it, and clean the work pieces or casting through the action of positive and negative track.

If the rubber apron is used too long and cannot used, it can only be replaced.

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The following is introduction for you about how to change the rubber apron for tumble belt shot blasting machine.

  1. Check the damage of the rubber apron. In general, the rubber apronisdamaged by tearing and breaking. In both cases, a splint knife can be used to cut the rubber apron from the inside to the left.
  2. Take apart the round plate and disk inside the chamber, generally fixed screws re-chamber left and right wall panel cover plate, you can check it after you open the cover.
  3. Take the three pieces of drive rollers apart and pull them out from one side of the part (some have rollers),you need to take out the idler together.You should place the tightening wire rod in the lower left corner and lower right corner of the equipment in the upper position before you remove the roller.
  4.  Put the rubber apron  into the cleaning room, you can use the top of the chamber to open the hole for the larger rubber apron, with steel wire into the suspension way to install, you can also be in the shot blasting impeller position fixed a hand-drawn hoist to pull the rubber apron.
  5.  After the rubber apron is placed in a fixed position, it is inserted into the pull-out drive roller, and the wire rod is tightened to adjust the rubber apron running slowly, then the gate at the upper end of the wire rod is fixed after the determination.
  6.  After the new rubber apron  is replaced, it is very necessary to actively and passively drive the roller bearing to lubricate to increase its service life.

The replacement process is relatively simple, so it is not necessary to watch  the video of  how is the tumble belt shot blasting machine to replace the rubber apron. It can also be quickly started, it is recommended to carefully look at the relevant steps to independently complete the replacement of the tumble belt shot blasting machine’s rubber apron, through appropriate maintenance, tumble belt shot blasting machine has a very good working state, to ensure the workshop production task.

rubber belt shot blasting machine 4 rubber belt shot blasting machine 5

roller conveyor shot blasting machine 2

The maintenance of shot blasting machine

Any equipment will be consumed as long as they are used. As a representative of self-harm equipment , maintenance of shot blasting machine is very important. If not maintained on time, the life of the shot blasting machine will be greatly shortened. This will also increase the number of the times the workpiece is handled, and proper maintenance will increase the life of the equipment the significantly improve work efficiency.

Daily maintenance of shot blasting machine

  • Check whether the bolts on the shot blasting machine and motor are loose, whether the wear-resistant parts in the shot blasting machine are worn and whether the access doors are closed.
  • Check whether there is air leakage in the dedusting pipeline ,whether there is dust in the filter bag or whether there is debris on the filter screen in the separator.
  • Check whether the electric control shot supply gate valve is closed and check the abrasion of the guard board in the shot blasting room.
  • Check whether the limit switches are normal, whether the signal lights on the console are normal and clean the dust on the electrical control box.

Month maintenance of shot blasting machine

  • Check whether the bolts at the connection of each component are fixed.
  • Check whether the rotating parts operate normally and lubricate them timely.
  • Check whether the fan air duct is worn and fixed.

Quarterly maintenance of shot blasting machine

  • Check the intact condition of the bearing electric control box and fill it with lubricating oil.
  • Check the wear of the abrasive blast guard of the shot blaster.
  • Check the tightness of the bolts and flange connections of the motor, sprocket, fan, vibration transmission.
  • Replace the bearings on the main bearing block of the shot blasting machine with new high-speed lubricants.

Annual maintenance of shot blasting machine

  • Check the condition of all bearings of the shot blasting machine and add lubricating oil, check the bag filter, check all motor bearings, replace or replace the guard board in the shooting area, and the machine shall be maintained regularly.
  • Check the shot blasting cleaning indoor high manganese steel guard board, wear-resistant rubber and other guard boards, check the tension of the hoist, and timely tension when loosening.
  • Check the vibration of the shot blasting machine, stop working immediately in case of any abnormality, and regularly lubricate all motors and bearings on the equipment.
  • Add new projectiles regularly. When installing the blades of the shot blaster, the quality difference of a group of eight blades shall not be more than 5g, and check the abrasion of the blades.

Device Security

The scattered debris should be cleaned in time, and should be kept away from the equipment during operation to avoid unnecessary injury.

Cut off the power supply during equipment maintenance and mark it. Protective devices such as chains or transmission belts should be installed after inspection. Safety measures should be taken before each shot blasting machine is turned on. If an accident occurs during preparation, press the emergency button to stop working to avoid accidents.

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