Enior Internal blast cleaning machine -NBPW
Knnjoo advanced internal blast cleaning machine (NBPW) is the industry's first, to improve efficiency and repeatability while improving quality and reduce processing time.

Application:
- Mainly used to clean the inside of the hole and the water jacket of the cylinder head, crankcase, the engine case and other similar complex castings.

The main advantages:
• Thoroughly clean the inner surface of the opening
• Full process control system to achieve repeatability of process parameters • Traceability
• Tools can be reversed, increase flexibility and reduce the unit cost of the parts
• Easy maintenance, lower operating costs, improve uptime and utilization
• Global support system to ensure optimum performance and uptime
• Knnjoo experience and reliable and stable to minimize your risk
• Quality parts can provide protection for safety and process uptime.

Flexible design

Knnjoo equipment available in multiple configurations, can be applied to a variety of components.
The device can be arranged in various parts installed or nozzle lifting device needed blasted open.
Sequential arrangement of a plurality of simultaneously blasting stations according to the desired operating speed. After sandblasting the interior of the workpiece can remove pellets by compressed air or rapidly rotating manner.
The device can move the workpiece to the nozzle or nozzles position as an independent mobile device to use the work or can be integrated with the automatic transmission system into the production line.
Follow equipment Chun nine rules.
According to internal blast cleaning requirements, you can make changes to the delivery system or other delivery device to be replaced.

Type and position of the workpiece openings are different, and therefore require different nozzles. Knnjoo offers a range of straight, curved standard nozzle orifice can penetrate various blasting operations. In case of special occasions, these nozzles can not meet the requirements, Knnjoo customers can also develop custom specialized nozzles. For direct processing of the inner region may also be used stationary or rotating spray gun. Gun deep into the hole, it is possible to align a specific region directly inside sandblasted. Gun suitable for small size openings to 5mm.

Workpiece nozzle operating
Since the AIC equipment modular structure, it can be easily adapted to meet a variety of artifacts, cleaning and application throughput requirements. For the cylinder head of an internal blasting, the workpiece rotation apparatus may be used toward the stationary cylinder head nozzle, so that the inner bore of the flowing pellets obtained substantially complementary. Spinning nozzle at the bottom of the hole at the same time the following blasting. However, when an engine casing sandblasting, nozzle or gun can be rotated to a position in front of or inserted into the holes and openings. Applications may also be implemented in combination of two systems on the same device. According to want to achieve production, one after a plurality of parallel operating system installation. With this device you can use three automatic transmission system into the workpiece and sent to the next step.

Sandblasting room
Blasting chamber by a screwed panel made easy to adjust to meet the sandblasting machine, sandblasting plurality of stations, waiting for the station, station clean-up requirements and the like. Sandblasting room more spacious design, easy access to the interior equipment staff for maintenance, renovation and assemblyoperation. An inner wall lined with special rubber, not only as an anti-wear protection layer using Noise is also reduced, which means that in general no additional enclosures. Top of the device is also detachable and can be used to install integrated sandblasting hose tee piece.

Pellets recovered
Senior Internal blast cleaning machine using the new multi-stage separation with coarse separator and automatic unloading device. Vibrating sieve can be coarse burr, sand and other coarse particles separated from the pellet feed. Coarse particle discharge pipe will automatically import the waste tank. Three separator each level can be individually adjusted, it can be fine and spent grain is separated from the pellet feed. Then, the vacuum chamber can be avoided will be back with pellets imported scrap box. This type of pellets that recycling helps ensure consistent blasting results.

Dust removal equipment
Sandblasting process, from the work of removing rust and scale will produce dust and small pellets. Smaller pellets in the separated pellets purifier, and were adjusted to different types and sizes of pellets. Cartridge filter can generate an appropriate negative pressure, and adjust the size of the pellets and the volume flow rate based on the size of the device or the number of blasting mouth. The pre-filter has a swing baffle, smaller pellets can be isolated (to avoid unnecessary wear and tear on the filter). In addition, it has been certified as a spark separator, and an important factor has been identified in line with the European ATEX directive. Clean installation of automatic cartridge filter with compressed air pulses fit. Compressed air pulse intensity and duration can be adjusted. All filter elements are no sources of ignition.

Pellet
Steel shot blasting process is an internal casting the most commonly used pellets. Since the weight of the pellets can be sufficiently accelerated through the entire opening passage, but will not collide with the inner wall repeatedly thwarted. Thus, even in a long opening, such pellets blasting efficiency is very high. As used pellets particles depend on the size of the openings, the length and the desired roughness. But it will often use steel cut wire shot. The higher cost of using steel cut wire shot, but less waste grains produced, the fundamental advantages can significantly reduce losses and recovery costs pill abrasive material.

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