NORTON Uutisett

Saint-Gobain Abrasives Canada, Inc. is pleased to announce the following organisational changes:

Jukka Ylikoski

Jukka Ylikoski has joined our team as Director of Global Sales & Marketing for the Pulpstone division. He is responsible for worldwide sales, marketing, customer support, product development, and customer application activities. Mr. Ylikoski is based in Finland.

July 2006


steel cradle

From the time NORTON first started building pulpstones, we have been using wooden cradles to transport our pulpstones worldwide. Recently, we started using steel cradles on all pulpstone shipments. The change came as a result of an International Plant Protection Treaty to reduce the risk of spreading quarantine pests associated with wood packaging materials.

Our plant studied two ways of complying with the treaty before deciding to go to with steel:

  1. Heat treating the wood using existing ovens. This idea turned out to be too costly and would have required additional oven capacity.
  2. Fumigating the wood just prior to shipment. This idea, although cost effective, presented heath concerns for the employees and was therefore quickly rejected.

Robert Fox, local union president, came up with an effective alternative: Build the cradles out of steel. Working with a local steel fabricator, StelCrete, a prototype was built and tested within 2 months of the initial idea. Surprisingly, the cost of the steel vs wood was only marginally higher. The steel cradles also weigh a little less because they are much smaller than wood cradles.

Two major advantages of steel over wood became apparent:

  1. The steel cradles are certified by a structural Engineer to support pulpstone weights. Pulpstones range in weight from 5000 to 25000 lbs (2000 to 11000 Kg). Wooden cradles on the other hand were over designed to compensate for possible cracks that would reduce the structural integrity of the cradle.
  2. The second advantage was cube utilization. Because the steel cradles are smaller and easier to handle, international shipments in containers would in some cases fit three stones instead of two.
There has been nothing but positive response from those customers that are now receiving steel cradles. Plant workers prefer using these cradles because of the ease in handling and compliance with the treaty is no longer an issue, thanks to Robert Fox's idea.

September 2005


Lana Miller

We are pleased to announce the addition of a new Pulpstone Team member in Hamilton. Lana Miller will be responsible for Customer Service and all the administrative requirements of the business. She looks forward to getting to know all our customers.

May 2005


Saint-Gobain Abrasives, in collaboration with Norske Canada, Port Alberni mill, will be running a trial on BT pulpstones with Western cottonwood species on Great Northern grinders. The trial will compare BT with same specification standard surfaced pulpstones. Trial will be jointly supervised by Saint-Gobain and mill personnel. Purpose is to compare pulp quality and performance of BT in this environment. Mill is to prepare a paper/report for presentation at the Mechanical Pulping Committee Meeting in September 2005.

November 2004


Saint-Gobain Abrasives, in collaboration with a Québec mill, will run a trial of its Excalibur burr. The ExcaliBURR will be compared to standard burrs from all suppliers. Purpose is to demonstrate burr performance and pattern quality. Trial is scheduled for December 2004.

November 2004


Saint-Gobain Abrasives, in collaboration with a Mid West US PGW mill will run an extensive comparative trial of its new WJ (Water Jet) pulpstone, developed to withstand water jet pressures of up to 36000 psi. Mill will compare, over a one year period, wear as compared to standard specification stone of equal grit size. Mill will prepare a final report for publication.

November 2004


The PAPTAC/TAPPI Mechanical Pulping Course was recently held in Portland ME. Keep in touch on this site for news about next year' s course which will cover all aspects of Mechanical Pulp, from wood morphology thru GWD/PGW to latest developments in screening, cleaning, refining and more.

October 2004


Saint-Gobain Abrasives Canada Inc. is now certified under new standard ISO 9001/2000.

January 2003



Saint-Gobain Abrasives Canada Inc. is pleased to announce the introduction of our latest innovation, the ExcaliBURR! After 2 years of research, ExcaliBURR has shown it can reduce pattern breakdown by 60% (Standard Burr ±30% breakdown, ExcaliBURR less than 10% breakdown), increase TEA (Tensile Energy Absorption) up to 10%, improve brightness by up to 2% and increase sharpening intervals from 5-10%. All of these improvements should lead to a more consistent pulp quality. For more information, please contact your NORTON agent.

May 2002


Effective September 1, 2001, NORTON Canada Inc. changed our corporate name to Saint-Gobain Abrasives Canada Inc., to help better identify our parent company, Saint-Gobain Company, within North America and around the world. The NORTON name will continue to be used on all our products.

November 2001


Saint-Gobain Abrasives Canada Inc. now offers a complete line of pulpstone sharpening equipment including burrs, plugs, pins and press. All the burrs, plugs and pins are produced on a CNC machine utilizing the latest manufacturing technology. Please review "Sharpening Equipment" in our "Product Information" section.

December 2000


At the Valmet sponsored PGW seminar in Grand Rapids MN, Oct. 4-6, Saint-Gobain Abrasives reported on the development of a pulpstone designed specifically for use in grinders equipped with Valmet's Water Jet pulpstone conditioning system.

October 2000


Saint-Gobain Abrasives Canada Inc. is collaborating with a Finnish researcher in an industry sponsored project on high speed grinding.

October 2000


The 2000 TAPPI Pulping Conference will be held in Boston, Nov. 5 - 8, and several SGW related papers will be presented.

Contact: TAPPI. October 2000


The 2001 International Mechanical Pulping Conference will be held in Helsinki, FINLAND from June 4 - 8.

Visit October 2000


Saint-Gobain Abrasives Canada Inc. is pleased to announce the release of the Saint-Gobain Abrasives Pulpstone CD. Contained on this CD are the Pulpstone Manual and Pulpstone video as well as a copy of our Screen Saver.

February 2000


The next joint TAPPI/PAPTAC Mechanical Pulping Committee meeting will be held April 10-12, 2000 at the Marriott, Chattanooga.

For more information, please contact Tina Lawton. February 2000


Two pulpstone related papers were presented at the 1999 International Mechanical Pulping Conference held in Houston, TX recently.

June 2, 1999


Ground Wood Services Steck, Saint-Gobain's central/western European agent (Germany, Switzerland, Italy and France) is now also responsible for sales and service in Austria, Slovenia, Romania, Hungary, Czechoslovakia and Slovakia.

May 3, 1999


The Pulpstone Business Unit of Saint-Gobain Abrasives Canada (Hamilton, Ontario) recently received ISO 9002 Registration.

David Dodd, business unit manager says, "The ISO quality system will strengthen our undisputed worldwide leadership role as a pulpstone supplier to the pulp and paper industry. The entire pulpstone team worked over a two year period towards the final certification. My sincere thanks to all!"

December 11, 1998


The joint CPPA/TAPPI Mechanical Pulping Course was recently held in Montreal and once again, provided the industry with an excellent training forum.

October 10, 1998


John E. Morrison, Worldwide Sales & Marketing Manager and also Operations Manager, is pleased to announce the territory expansion of  our German and Swiss agent.  Herr Karl-Heinz Steck, through his company Ground Wood Service Steck, will also sell Saint-Gobain Abrasives pulpstones in Italy and France.

October 5, 1998


Saint-Gobain Abrasives Canada Inc. has recently celebrated a milestone with the sale of our 61st BT (bolt through) design pulpstone.

October 5, 1998


Valmet recently held their 10th Annual PGW Seminar in Kotka, Finland.  Recent developments in mechanical pulping were highlighted and the sessions were well attended.

October 5, 1998


Saint-Gobain Abrasives Canada Inc., a subsidiary of Saint-Gobain Abrasives Company, recently acquired  the assets of Carborundum Pulpstones Inc. of Niagara Falls, Ontario.  Carborundum Pulpstones, a privately owned company, manufactures pulpstones, an abrasive grinding product used in the manufacture of wood pulp for the pulp and paper industry.  The company operates one plant in Niagara Falls.  Terms of the sale were not disclosed.

According to Saint-Gobain Abrasives Canada's David Dodd, Business Manager, the acquisition of Carborundum will strengthen Saint-Gobain Abrasives Canada's worldwide leadership position in this market.

Saint-Gobain Abrasives Canada Inc., headquartered in Hamilton, Ontario, is the world's leading producer of pulpstones.  The company also warehouses and distributes Saint-Gobain Abrasives products for the automotive after-market, consumer and industrial markets throughout Canada. The company employs approximately 80 people.

Saint-Gobain Abrasives Company, based in Worcester, Massachusetts, is a worldwide manufacturer serving a broad range of industries.  It is the world's leading manufacturer of abrasives, and produces technologically advanced ceramics, plastics and chemical process products.  The company is a wholly owned subsidiary of Saint-Gobain,  one of the top 100 industrial companies in the world.  Headquartered in Paris, France, Saint-Gobain had sales of more than $18 billion in 1997.

March 16, 1998


Saint-Gobain Abrasives Canada Inc. has produced a pulpstone manufacturing video, an invaluable training aid. It is now available and being sent to our customers. For further information, please contact us.

March 17, 1998


The Saint-Gobain Abrasives pulpstone Finite Analysis Model is available for SGW process impact evaluations. Please contact us for further information.

March 17, 1998


Saint-Gobain Abrasives/Customer collaborative mill trials, V21 Bond, Surface Configurations: UPDATE

All mill trials for 1997 are completed, pulp testing is finished and the results are presently being collated by Saint-Gobain Abrasives and the CSPP (Centre Spécialisé en Pâtes & Papier) of Trois-Rivières, Québec. The trials were conducted in four mills on Atmospheric Grinders, Chain type & Hydraulic, as well as PGW.

Preliminary Conclusions: There is little significant change in Pulp Quality with the use of V21 Bond, nor is there with the minor change in surface configuration of Helical Grooves. This is also true for the BT when the attachment holes are news open; it is believed that the increase in surface open area produces a corresponding increase in Grinding unit pressure, thereby virtually equalizing Pulp Quality Values with standard surface norms. In the PGW V21 Bond mill trial, the results show a 12% increase in production with a 8% decrease in Specific Energy Consumption. The Chain Grinder Grooved Pulpstone trial shows increased production with decreased SEC.

A Final Report of this exhaustive technical project is expected to be complete by January 15, 1998, and will be available for review by interested mills.

November 11, 1997


Bolt-Through (BT) Pulpstone Engineering Analysis completed.

Iron Mountain, Michigan - At the Annual PGW Seminar held in Iron Mountain in October, Saint-Gobain Abrasives revealed the results of a Finite Element Stress Modeling study conducted at its Research Division in Northboro, Mass. earlier this year. With the ANSYS finite element software package, A fully 3D linear elastic geometric representation of the pulpstone assembly was developed and used to compare the BT segment attachment to conventional threaded WRB attachment. The analysis included detailed study of Flange Clamping Stresses, Rotational Stresses, Stud-Cage Assembly Torque Stress, Segment Thermal Mismatch Stress (Inner & Outer Segments for BT & WRB).

Conclusions: Pulpstone Flange Clamping generates stresses far below the strength of the concrete. However, Clamping plus Rotational Loading can generate stress sufficient to de-bond end segments, indicating that care must be taken to apply the correct clamping pressure when mounting the Pulpstone. The combined thermal-mechanical stress results indicate that the BT attachment design is significantly less failure prone than the conventional WRB design.

These conclusions were supported by a recent US PGW mill trial comparing a BT pulpstone with a standard construction pulpstone. The BT performed exceptionally well and was recently removed from the Grinder after 37 months service, a record pulpstone life for the mill. At change out, the pulpstone still had over .500" of remaining useable abrasive; it had been decided to replace it since other work was required on the Grinder. The mill has installed BT Pulpstones on the other three PGW Grinders.

November 11, 1997


The Saint-Gobain Abrasives Groundwood Optimisation Seminar/Audit is now available to our customers world-wide. These valuable sessions are designed to review a mill's current grinder operating practices and recommend improvements to optimise the process. Training for pulpstone operation, sharpening and grinder operation and maintenance is included. Sessions are held at the mill locations.

For further information and/or industry references, please contact us. June 2, 1997


Saint-Gobain Abrasives has embarked on an extended, collaborative Mill Trial program in Canada and the USA. The trials are intended to corroborate positive initial findings of superior performance with new state-of-the-art abrasives as well as to confirm the excellent performance of new modified pulpstone surfaces.

The mill trials are wide-ranging and will cover a variety of conditions, grinder types and wood species. Currently under way are trials of Power Grooves on chain grinders. Also in progress are V21 bond and BT open-hole trials in hydraulic atmospheric grinders with a PGW V21 bond trial scheduled for early 1997.

All grinders tested will be monitored for production rate, stone sharpness, and SEC during the trials. A standard pulp sampling procedure has been established with the pulps being tested by an independent organisation, the CSPP in Trois-Rivieres, Quebec.

Technical data will be available following the trials with papers being presented by the operators in the appropriate forums.

For more information on this exciting Saint-Gobain Abrasives program, please contactus. June 2, 1997