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  1. polleke

    Dutch Conveying

    Dutch company for conveyorbelt design is: Heilig http://www.heiligbv.com Also Stokman bv http://www.stokmanbv.com
  2. polleke

    grab hook alternative

    Hi Solobo in bikeland we use a masterlink plier. They are available in differend sizes. succes Harry
  3. polleke

    grab hook alternative

    Use a ty-rap to pull it together regards Harry
  4. polleke

    Checking for cracks on internal threads

    Hello RMS1956 The advise of magnetic particle is good, only use a coil and fluoressent fluid. PT is also possible, I would do that also fluoressent. For viewing the mirror is ok, but a small endoscope can be used too. Succes Harry
  5. polleke

    Re; Industrial lubes

    Hello Mave, the way i see it, you donot know your products, you donot know why something needs lubrication. First read some documentation about contact, wear and lubrication of machine parts. This gives you a view at how the lubrication mechanism works and why you need to lubricate. If you have...
  6. polleke

    film exposur time calculation

    Hello Ndtmetal why worry about exposure-time er devellopement-time? If you get a good and correct reading at the quality indicators (which should be used) the film is made according to the correct standards. Why is it you want to look at the exposure time? If you think it is too short, have the...
  7. polleke

    Reading Vernier Micrometers

    Hi rob look at : http://verniermicrometer.com click on vernier micrometer an read how it works. succes Harryhttp://verniermicrometer.com
  8. polleke

    How to: Leak detection

    Hi Perd, I have used the Ultrasonic Detector SDT170 in several situations with good result. Even a verry small Freon leak was detected. You can find information at: http://www.sdt.be The principal of the detector is that every leak produces an ultrasonic sound. So pressurise your unit and...
  9. polleke

    Conveyor gearbox output shaft failure

    Hello Cagou, I work at EMO bulkterminal in Rotterdam and we have had a few broken drive shafts in the same looking matter as yours. The cause was not one thing but a combination of some things. We changed from mechanical drum brakes to hydraulic disc brakes. In case of emergency stops the...
  10. polleke

    Minimum radius for vertical concave /convex curve in belt conveyors

    Hi charlescosta, try looking at www.metsominerals.com www.kochtrans.de succes Harry
  11. polleke

    Vibration Damping Compound

    Hello ADAG, We use Chockfast Orange as a filler material. You can get Chockfast in several different types It's a product from: ITW Philadelphia Resins Look at www.chockfast.com Choose your type Harry
  12. polleke

    TRAINING IN EUROPE

    Hi Redhá, in Holland: if you speak Dutch there are more, this one is English http://www.betonvereniging.nl/?lang=UK&id=192 In Belgium http://www.anotec.be/ succes Harry
  13. polleke

    measure fabric thickness molded into rubber

    Hi, Awol I succeeded in measuring the thickness of the rubber layers of conveyorbelts with ultrasonics. Conveyorbelts with fabrick carcas and belts with steelcords inside. I used 2 MHz and 5 Mhz probes. You must have a testpiece and then look and compare. Succes Polleke
  14. polleke

    Wear Resistant Redux - Polleke's Chutes

    Hello Backfill, I work at a bulk trasfer company called EMO and we are situated in the Netherlands, near Rotterdam. Yearly we unload about 14 million tons of iron ore and 20 million tons of coal. Look at: http//www.emo.nl We handle coal and ore in size from: 0 mm up to 300 mm. In special cases...
  15. polleke

    Conveyor material backflushing

    Hello Turnyourbassdown, we have belts with a 17 degree incline, running at 4.5 m/sec beltwidth of 1800mm transporting coal, ironore and olivinesand. No problems with backflushing. We have no sideskirts. Troughangle is 40 degree, idlerspacing 1000mm. As mentioned before: keep the belt on the...
  16. polleke

    Skirting Rubber

    Hi Trommel, this is Polleke again, I gave the wrong internet adres of Prometi: it must be http:www.sgt-promati.com Sorry all the best Polleke
  17. polleke

    Skirting Rubber

    Hello Trommel. If you want to get rid of your beltdamage by the sjirting rubbers you can mount another type of skirting. I work at EMO in Holland, we run about 40 km conveyorbelt 1600 and 1800 mm wide and at 4.5 m/sec and had the same problem. We now mount the Clamp Mount, skirt sealing...
  18. polleke

    HARDNESS MEASUREMENT

    Hi Mechnano Look at www.dietert.com you can find more informatin there Succes Polleke
  19. polleke

    Conveyor Belt Cleaner/Scraper

    Hello Obsy, I'm in the iron-ore and coal transport. We use Bell Banne scrapers. The R.v -type we redesined to a pre-cleaner that is located at rhe bottomside of the drum and behind that one we place one or two U-type scrapers We use steelcord belts, 1800 mm wide, a beltspeed of 4,5 m/sec and...
  20. polleke

    UT of nozzle weld

    Hi again Fazel1` I looked at your question with the nozzle welded in the shell. This is also possible to be tested ultrasonicly. It can be done from the shellside, inside and outside, aswel from the nozzleside. Be sure to heve a professional level 2 or 3 man perform the testing. Use the same...

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