Of the nine standard Blanchard models, the 22AD-42, which can grind parts up to 48" in diameter, is the most popular. This is the signature crosshatch design made by Blanchard grinding (rotary surface grinding). A new and unique function offered for our Blanchard grinders is Teach Mode. Share your experience anonymously. Instead of relying solely on outside service technicians to keep his machines running at optimal performance, Mr. Masters led the charge. The Mattison surface grinders in his shop will hold flatness and parallelism within 0.0005 inch, he notes. © Copyright 1995 - 2020. For high-mix, low-volume work, the manual-pulse-generator handwheel allows operators to run the machine manually just as they would with the big, old handwheel that Blanchard operators are used to. CTE Publications uses cookies to improve your experience and to analyze the use of our website. Total stock removal rates of 0.25 to 0.5 inch on steel are common, Mr. Masters says. Here you can clearly see the segmented grinding wheel, which is lowered facedown into the workpiece during Blanchard grinding. In fact, many blanchard grinder operator jobs require experience in a role such as machinist. Specifically, the company relies on Blanchard grinders made that long ago. Therefore, programming a grinding process is a simple procedure. Besides allowing for extremely precise grinding, adding CNC to a Blanchard grinder makes the machine easier to operate and maintain. A unique function offered for Blanchard grinders is the teach mode. What began as a machine developed by the Blanchard Machine Co. in the 1900s is now a moniker generically applied to a number of rotary surface grinding machines including Blanchard, Mattison and others. Site Created and Managed by NetCrafters Interactive. Developed more than 100 years ago, Blanchard grinding has typically been a manual process for many shops. This combination produces finished work to flatness and size across the magnetic chuck that is to extremely close tolerances. This is a standard feature on all Blanchard CNC grinders. “Kinetic is a Mattison museum!” Mr. Masters proudly proclaims. The shop has eight Mattison surface grinders, two Mattison vertical spindle reciprocating table grinders, three Mattison rotary machines and two Blanchard rotary surface grinders. This action creates the characteristic cross-hatch pattern that has come to be the best indication of a true “Blanchard Grind”. If you do not know the part number, please enter "unkown.". Of the nine standard Blanchard models, the 22AD-42, which can grind parts up to 48" in diameter, is the most popular. Meanwhile, many blanchard grinder operators also have previous career experience in roles such as numerical control operator or computer numerical controller machinist. i'm going to replace it with a heavier machine, the Blanchard 11 i was wondering if any of the peanut gallery has experience with them and can offer any tips or anecdotes on the operation of these heavy duty machines. We are happy to answer any questions you may have about our products and services. Once the workpiece is taught to the machine, the program can be run simply by pressing “cycle start” on the control after the workpieces are loaded onto the chuck. Starting in 1995, he began sending machines out to be rebuilt — a process that could take 30 weeks or more. Once the spindle load drops, it will resume feeding the grinding head down until the spindle load is reached or the workpiece is ground to size. Among other things, this helps control the harmful effects of humidity. By taking a look through resumes, we were able to narrow down the most common skills for a person in this position. The latest models have the FANUC 35i-Model B control. In 2004, Bourn and Koch Inc. purchased OEM rights to Blanchard and Mattison, building new surface grinders in its facility in Rockford, Illinois, as well as offering retrofit and rebuild services for older equipment. “In effect, they are charging what they charged 20 years ago, making it impossible to invest back in their machines.”. All rights reserved. “This led to machines being abused, and they didn’t work anymore,” Mr. Masters says. Tolerances, however, vary between materials and work pieces. When Bourn & Koch acquired Blanchard in 2004, we immediately began building new Blanchard grinders and remanufacturing their machines. Disciplined maintenance is key to keeping these machines performing effectively and key to the company’s special niche. The grinding wheel rotates counter to the table’s rotation. This effort will effectively double the grinding power without going to a geared head. Blanchard grinding has typically been a manual process for many shops. This mode allows for fast programming of auto-cycle by “teaching” the machine where the start of the grinding cycle is. Therefore, programming a grinding process is a simple procedure. Originally, the grinding machines were used for industrial knives and wear plates, but in recent years, they’ve been asked to do more. Once the programmed spindle load is reached, the machine will hold its position until the spindle load drops below the programmed spindle load. For employees who have worked elsewhere, Mr. Masters says this is often one of the biggest training obstacles because it isn’t always a requirement at other shops with similar equipment. Due to the design and operation of a Blanchard grinding machine, it will grind different work pieces to a uniform size, a benefit for extensive production runs. To learn more about our current models of New Blanchard Grinder, click here. These early controls offered by Blanchard were plagued with issues. The latest models have the FANUC 35i-Model B control. We are here to help! The addition of a CNC allows for precise control over the grinding head downfeed to 0.0001" increments. By setting a specific maintenance routine that is embedded into each employee’s daily production schedule, doing large overhauls himself, and using the latest grinding wheel technology, Mr. Masters continues to gain productive operation from his company’s oldest investments. By accepting, you agree to the terms stated in our, Download CTEplus Digital Edition App on iTunes Store, Download CTEplus Digital Edition App on Google Play. The grinders still have a heavy-duty lead screw to provide an adequate level of power behind the head downfeed. The meter can be programmed in two different modes: feed hold at a programmed spindle load and auto-retract at a programmed spindle load. I bet he was just measuring the edges. Standard Blanchard machines will hold flatness and parallelism within 0.005 inch, but The Kinetic Co. can hold those tolerances to 0.002 inch, he says. Servo motors now drive the machines axes, eliminating the need for costly maintenance of the gearboxes. We've determined that 0.0% of blanchard grinder operators have a bachelor's degree. Since that time, five of the machines have been completely rebuilt internally and two others have gone through extreme retrofits. If you do not know the number, please enter "unknown. The machine will then resume feeding the grinding head down until the spindle load is reached or the workpiece is ground to size. Cash Masters says disciplined maintenance is key to keeping Blanchard grinding machines performing effectively. Numerous programs can be written and saved for later use. Now, when a machine needs to be taken down, Mr. Masters is a part of it. We are happy to answer any questions you may have about our products and services. We are here to help! If you do not know the part number, please enter "unkown.". The CNC controls both axes of the machine: X (horizontal table traverse) and Z (vertical grinding head travel). All rights reserved. You could say the shop’s Blanchard grinders are performing as well as when they were new. By accepting, you agree to the terms stated in our. It may of been the 5503 synthetic that he said his customers use. The company also has CNC lathes and milling machines, saws, EDMs, a laser, heat-treating equipment and other grinding equipment on its shop floor. The work zone of a Blanchard 36HD-66 surface grinder, The Kinetic Co. was founded by Mr. Masters’ grandfather in 1948. Do you work as a Blanchard Grinder Operator? The addition of CNC allows for very precise control over the grinding head downfeed to .0001″ increments to allow for extremely close tolerances to be held for nearly any workpiece. Cash Masters, The Kinetic Co.’s vice president, says industrial knives such as these account for about 85% of the company’s business. The double-disc grinding process is consolidating its position in automotive applications but is moving into other industries. Kinetic has also invested in central air conditioning and heating to keep the shop at a constant temperature. Monitoring guarding to ensure wheel grit doesn’t intrude into the spindles and ways and monitoring oil level and pressure — and ensuring the use of the right oil for the machine — are examples of some of the basic maintenance tasks. Servo motors now drive the machines axes, eliminating the need for costly maintenance of the gearboxes. For instance, the load meter can be programmed to retract the head once idle spindle load is reached. Blanchard began adding CNC controls to their machines in the 1990s. B&K developed a human-machine interface to enable conversational programming. Over a 100 years of engineering archives and the talents of Bourn & Koch’s machine tool engineers ensure that the Blanchard legacy is kept alive and well. Working as a Blanchard Grinder Operator? Another beneficial function of the CNC is a programmable spindle load meter—a standard feature. For repetitive jobs, standard M and G code is used to program machine cycles. The meter can be programmed in two different modes: feed hold at a programmed spindle load and auto-retract at a programmed spindle load. Recognizing the value to the company’s business, he began to learn how to do more and more of the maintenance himself, even taking a hand-scraping class at Bourn and Koch.
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