Lumber Mills

Belzona SHM-12 Positive Grip Systems have been used by the Lumber Industry for the past 25 years to improve the efficiency of lumber transfer. The system offers extremely good traction and durability and is used by a vast majority of mills in British Columbia as well as other similar facilities internationally. The performance of Feed and Ending Rolls, Dealer Wheels, Lug Loaders, and Drive Pulleys is improved by the application of this system.

Other example applications with Belzona products include:

  • Rebuilding of Chipper Discs
  • Rebuilding and protecting Flat-Backs from erosion
  • Rebuilding worn Planer Heads
  • Repairing damaged Shafts in place
  • Repairing torn Conveyor Belts.
  • Many more

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EFFICIENCY IMPROVEMENT SYSTEMS FOR SAW MILLS

MISCELLANEOUS SAW MILLS REPAIRS

  • CUSTOMER: SAWMILL OPERATION
    Vancouver, British Columbia, Canada
  • APPLICATION DATE: August 1999
  • PROBLEM: Pin bush housing had worn oversize
  • PRODUCTS:
    Belzona® 1111 Super Metal
  • SUBSTRATE: Steel
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflets MPT-7
  • BELZONA FACTS: A Belzona repair using a forming procedure can be completed in a fraction of the time required for a standard repair which requires welding and line boring.

  • CUSTOMER: VARIOUS
    British Columbia, Canada
  • APPLICATION DATE: SINCE 1980
  • PROBLEM: Wood chips erode the pockets at the exit point of the chipper disc.
  • PRODUCTS:
    Belzona® Ceramic Metals
  • SUBSTRATE: Mild steel
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet SHM-8
  • BELZONA FACTS: Using Belzona® allows chipper disc pockets to be easily and quickly rebuilt without the need for welding and dismounting.

  • CUSTOMER: VARIOUS
    British Columbia, Canada
  • APPLICATION DATE: Ongoing since 1985
  • PROBLEM: The abrasive wood chips erode the exit points of the pockets causing a deterioration in chip quality.
  • PRODUCTS:
    Belzona® Ceramic Metals
  • SUBSTRATE: Mild Steel.
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflets SHM-8
  • BELZONA FACTS: Using Belzona® eliminated the need to do extensive welding to restore the lost metal. Eliminating the welding reduces the possibility of heat stress cracking from occurring. Application can be done in situ without the need to dismount disc saving many hours of downtime. This rebuild can also be completed within a single shift ensuring that application can generally be completed over the weekend.

  • CUSTOMER: LUMBER MANUFACTURER
    British Columbia, Canada
  • APPLICATION DATE: August 1996
  • PROBLEM: Keyway had become badly worn and sloppy.
  • PRODUCTS:
    Belzona® 1111 Super Metal
  • SUBSTRATE: Steel
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet MPT-4
  • BELZONA FACTS: This repair was completed without having to remove the shaft resulting in a major saving in downtime costs

  • CUSTOMER: Lumber Mill
    Vancouver, BC.
  • APPLICATION DATE: August 1990
  • PROBLEM: The chipper disc pockets had worn to a point where the wear was causing a concern.
  • PRODUCTS:
    Belzona® 1811 Ceramic Carbide.
  • SUBSTRATE: Mild Steel
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet SHM-1
  • BELZONA FACTS: Using the Belzona method of rebuilding allows the pockets to be rebuilt without dismounting the disc. This repair can also be completed in a single shift ensuring the chipper is ready for start up at the onset of production at the beginning of the week.

  • CUSTOMER: LUMBER MILL
    Vancouver Island, BC
  • APPLICATION DATE: August 2001
  • PROBLEM: Wood chips had eroded a section of the planer head housing casting.
  • PRODUCTS:
    Belzona® 1311 Ceramic R Metal
  • SUBSTRATE: Cast Iron
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet SHM-8
  • BELZONA FACTS: Rebuilding with Belzona made for a simple straightforward repair eliminating the need to weld.

  • CUSTOMER: Saw Mill
    Nanaimo, BC.
  • APPLICATION DATE: May 2005
  • PROBLEM: A hole had worn through the cast iron of this planer allowing wood shavings to be blown around and causing a breathing hazard
  • PRODUCTS:
    Belzona® 1811 Ceramic Carbide
  • SUBSTRATE: Cast Iron
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet
  • BELZONA FACTS: Rebuilding with Belzona made for a simple straightforward repair eliminating the need to weld. Similar repairs completed at other mills have proved to be extremely effective, lasting many years.

  • CUSTOMER: Lumber Mill
    Westbank, BC
  • APPLICATION DATE: June 2005
  • PROBLEM: The notch in the center division of the Brucks rotary chipper was allowing chips to build up and clog the flow. This had an adverse effect on chip quality and outflow. An additional problem was when knives were changed a great deal of time had to be spent removing the compacted chips from each of the 4 knife pockets before the knives could be removed and changed.
  • PRODUCTS:
    Belzona® 1311 Ceramic R Metal
    Belzona® 1321 Ceramic S Metal
  • SUBSTRATE: Steel
  • APPLICATION METHOD: Application carried out in accordance with a modified version of Belzona® Know-How Leaflet SHM-13
  • BELZONA FACTS: The use of the two Belzona® products allowed the center section to be rebuilt and blanked off without the need for welding which was not an option as the heat could have warped the knife seats.

  • CUSTOMER: Particle Board Manufacturer
    Grand Forks, BC
  • APPLICATION DATE: May 2000
  • PROBLEM: Chips would be off loaded from a barge onto this floating loading ramp. From there they would be scooped up by a front end loader and dumped on to the chip supply conveyor. When it rained, or during the winter months, the front end loaders would lose traction. This was affecting chip supply and also constituted a safety problem
  • PRODUCTS:
    Belzona® FPA-8C Non-Slip Safety System
  • SUBSTRATE: Steel Plate
  • APPLICATION METHOD: Application carried out in accordance with a modified version of Belzona® Know-How Leaflet SHM-12
  • BELZONA FACTS: The application of this system was completed in a double shift. To speed up the cure cycle the entire area was “tarped” off and the space heated with propane heaters. NOTE:- This application is still in service more than 6 years later. The Belzona system was also extended in the summer of 2002 when the access ramp on the shore side was also completed.

  • CUSTOMER: Particle Board Manufacturer
    Grand Forks, BC
  • APPLICATION DATE: August 2001
  • PROBLEM: The steel bridge plates used as a ramp to cover the gap between the loading dock and rail cars was a constant safety concern especially when wet. Water from the incoming rail cars would drip onto them making them extremely slippery. Several "grip" coatings had been tried over the years without success. None had lasted more than a week.
  • PRODUCTS:
    Belzona® 1321 Ceramic S Metal
    Belzona® 9211 Supergrip Aggregate
  • SUBSTRATE: Steel Plate
  • APPLICATION METHOD: Application carried out in accordance with a modified version of Belzona® Know-How Leaflet FPA-8
  • BELZONA FACTS: The application was inspected after 3 years of constant service, and found to remain in excellent condition, even with no maintenance. Beyond the improved safety, additional benefits were the fact that forklift operators can effectively push the last load into the rail car for more secure loading. Prior to the Belzona application, the forklift drive wheels would spin on the steel plate during this operation, but the Belzona Grip System prevents the wheels from spinning and allows the last load to be pushed firmly into place

  • CUSTOMER: Pulp Mill
    Castlegar, BC
  • APPLICATION DATE: April 2010
  • PROBLEM: Chips manufactured for the pulp and paper process are extremely abrasive and over time will wear away the metal in the corners of the chipper disc pockets.
  • PRODUCTS:
    Belzona® 1321 Ceramic S Metal
    Belzona® 1812 Ceramic Carbide FP
  • SUBSTRATE: Mild Steel
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet SHM-8
  • BELZONA FACTS: Belzona has a long successful history rebuilding and protecting chipper disc pockets. It provides the operator the option of rebuilding the worn pockets without the need to dismount the wheel eliminating any downtime

  • CUSTOMER: Pulp Mill
    Castlegar, BC
  • APPLICATION DATE: April 2010
  • PROBLEM: Chips manufactured for the pulp and paper process are extremely abrasive and over time will wear away the metal in the corners of the chipper disc pockets.
  • PRODUCTS:
    Belzona® 1321 Ceramic S Metal
    Belzona® 1812 Ceramic Carbide FP
  • SUBSTRATE: Mild Steel
  • APPLICATION METHOD: Application carried out in accordance with Belzona® Know-How Leaflet SHM-8
  • BELZONA FACTS: Belzona has a long successful history rebuilding and protecting chipper disc pockets. It provides the operator the option of rebuilding the worn pockets without the need to dismount the wheel eliminating any downtime

  • CUSTOMER: Sawmill Port
    Alberni, BC
  • APPLICATION DATE: August 2005
  • PROBLEM: bearing surface had been eroded away over time.
  • PRODUCTS:
    Belzona® 1811 Ceramic Carbide
  • SUBSTRATE: Cast Steel
  • APPLICATION METHOD: Application carried out in accordance with a modified version of Belzona® Know-How Leaflet SHM - 08
  • BELZONA FACTS: There are many benefits to rebuilding worn chipper disc pockets with Belzona materials. Rebuild can generally be completed in a single shift allowing equipment to be returned to service within 48 hours.