Quality Inspection for 6909 Other customized bearings for Finland Factories
Quality Inspection for 6909 Other customized bearings for Finland Factories Detail:
Product detail pictures:
Related Product Guide:
The Various Types of Bearings and Their Importance in Machinery Function
How a Roller Bearing Works
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PTB Sales provides Vacuum Pump Refurbishment, Repair services as well as both New and Refurbished Pump Sales. PTB is an authorized Repair center and Distributor for Anest Iwata Dry Scroll Pumps.
This partnership is testimony to PTB’s high level of quality of workmanship and technical knowledge of Dry Scrolls.
PTB can provide repair services as well as both new and refurbished pump sales for Dry Scroll Pumps.
We have a multitude of units in stock from all Dry Scroll Manufacturers at any time.
Scroll Pumps have become the dry pump of choice for multiple applications due to their cleaner operation, lower vibration/noise and long service life.
However, if the pump is not properly maintained early failure is likely.
Dry Scroll Pump’s maintenance intervals are typically on a yearly basis under ideal conditions.
The long intervals between maintenance can make it easy to forget or postpone pump maintenance and real-world conditions may require shortening the maintenance interval.
We recommend keeping a daily or weekly log of pump performance to record base pressure, operating hours, current draw or any abnormal noise as referenced in Table 1. This will assure proper pump performance is maintained and is an early indicator of potential problems well in advance of failure.
Preventative maintenance tasks include greasing the bearings and replacing tip seals.
However, if you observed a change in pump vibration/noise, this could be an indicator of worn bearings requiring pump servicing.
The severity of the noise in conjunction with reviewing the data collected in Table 1 is a good indicator if the pump should be replaced immediately or during the next scheduled tool PM.
PTB Sales recommends the following Scroll Pump PM Schedule
Daily/Weekly Monitoring: Populate Table 1
• Check exhaust for free flow of air at high pressure
• If the pump is continuously operated at ultimate pressure isolate from the system and open the inlet to atmosphere for 3-5 seconds to exhaust water vapor and other condensations
• Check the pump for excessive noise, vibration, high temperature, proper cooling fan operation, clean cooling fins and clogged air muffler
• Grease bearings / Replace seals
• Separate the scroll plates, discard the o-rings and wipe the plates clean.
• Remove the bearing seals and discard.
• Wipe old grease from bearings.
• Check bearings for excessive friction and replace as necessary.
• Grease needle bearings with syringe.
• Install new bearing seals and grease the seals.
Replace tip seals
• Remove used tip seals from the scroll grooves.
• Wipe the dust from the tip seal grooves.
• Install the new tip seals in the grooves.
• Replace exhaust valve and O-rings
Remove exhaust valve from fixed scroll and discard seal, spring and o-ring.
• Clean the exhaust port.
• Install the exhaust valve with new seal, spring and o-ring.
• Assemble the scroll plates with new o-rings.
Regular pump monitoring and maintenance are keys to prevent catastrophic pump failure and unscheduled tool downtime.
Per Anest Iwata:
“When maintenance interval has elapsed… this vacuum pump requires maintenance conducted only by our authorized specialist. Never try to disassemble, reassemble or alter on user’s side.”
Contact PTB Sales for Dry Scroll Pump applications support, new equipment purchase, refurbished equipment purchase or repair services.
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By Louise from Bangladesh - 2015.11.11 19:52
Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
By Queena from Monaco - 2016.10.23 10:29