Its speed is slower than most of the bench grinder of the market, that keeps the machine cool even after hours long operations. You will merely feel vibration due to its sturdy base. The motor is powerful but stays quiet when it is on the job.  With variable speed, you can get the benefit of using both slow and fast bench grinders in one tool. Set the tool at slow, medium or high regarding your job at hand and go! Grinding, deburring, sharpening or shaping is a snap with bench grinder by DELTA. I currently own a craftsman 1/3 H.P. fixed speed rpm bench grinder that I’m hoping to have the option to reduce to rpm.  The local hardware store guy suggetsed wiring a watt dimmer rather than purchasing an after market speed control. On top of that, this slow speed bench grinder is fitted with white aluminum oxide wheels for reduced heat production. For stability and continuity throughout the operation, the heavy gauge steel base assures a reduction in vibration. Pros. The POWERTEC BGSS is a slow speed bench grinder, which is perfect for those who are new to using such power tools. The slow speed also helps with ensuring that your tools won’t overheat during use. It is also equipped with a heavy gauge steel base for stability.  Ideal for those seeking a bench grinder that allows for speed adjustment. The settings allow for professionals to manipulate the grip and intensity during usage. Electric bench grinder.

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Slow vs "Regular' Speed Bench Grinder self. Can someone explain the difference if any between a slow speed and regular speed bench grinder? Particularly when slow speed bench grinder vs regular class is t to sharpen lawnmower blades. The faster the grinder the more skilled the user has to be.

For sharpening metal slow is better because you can control how much material is removed and slow speed bench grinder vs regular class heat build up better. For a lawnmower blade any grinder should work. Slow speed bench grinder vs regular class take your time and have a bucket handy to dunk the blade in to cool the edge frequently.

If it gets too hot you will ruin the heat treat and bring down its hardness. I highly doubt lawnmower blades are heat treated. I've sharpened them by hand and a mill file takes slow speed bench grinder vs regular class the steel like it's plastic. I think you'd actually not want a lawnmower blade to be heat treated. Making it out of cheap soft steel actually makes sense. Balance is somewhat important with mower blades, and in that regard the slow-speed grinder has somewhat of an advantage because it won't remove material as aggressively, helping you do the minimum amount necessary to sharpen without throwing the balance too out of whack.

Though you can correct the balance in any regard, so it's not a huge deal. You might be right. I didn't expect them to be very hard for the reasons you mention but I figured they were still hardened. It is probably best to just hand file the blade then. Hardened and tempered steel is stronger than untempered steel any day of the week.

You can sharpen an axe with a file. Just because they're soft enough to file doesnt mean they werent hardened. Yeah, I've sharpened axes, mower blades, saw plates by hand enough. The mower blade just feels like the file slow speed bench grinder vs regular class taking material off a lot more effortlessly.

I know that's hardly scientific. This just means that the steel isn't total crap, though, right? It doesn't mean that the mower blade was originally hardened. I would expect something like a mower blade to be basically the cheapest pure steel available. Hardened steel is not as tough, however. Impact forces can make it crack, split, or shatter like a ceramic. The relation between hardness and toughness is not linea r, its possible to make something harder and tougher at the same time.

There are a bunch of forum conversations about mower blade steel, most of them end with the slow speed bench grinder vs regular class that seldom does anyone know for certain what they are but they arent unhardened steel.

Or, ask John Deere. Makes sense. I guess it depends if we're talking about the cheapest thing at home depot, or a top end brand. No way El Cheapo has much going on in the metallurgy department. They remove less material and the wheels are usually half submerged in water which acts like a coolant. They are typically more aggressive and will build up a lot of heat. But can be perfect for sharpening twist drills, lawn mower blades, and just removing a bulk amount of material.

I highly reccomend finding a bench grinder with variable speed. It won't go as slow as a specialized sharpening grinder, but it's a nice feature to have, Delta makes good bench grinders. Regular bench grinders are already slow enough at removing materiala slow grinder will take you 5 times as long for no benefit. Use of this site constitutes acceptance of our User Agreement and Privacy Policy.

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Be nice Slow Speed Bench Grinder Vs Regular It to each other or you will get a stern timeout from our over-qualified mod team. RULES 1. Pants optional, close-toed shoes required. Steel-toe Crocs acceptable. Keep it courteous. No sexist, racist, rude, etc comments. This sub is not a place to discuss religion or politics. No advertising or promoting tools, brands, woodworking plans, your YouTube channel, etc.

No posts promoting crowdfunding projects. No Amazon affiliate links they'll be removed by the Automod. Welcome to Reddit, the front page of the internet. Become a Redditor and join one of thousands of communities. Want to add to the discussion? Post a comment! Create an account. Some people make knives from mower blades and they harden up just fine.

Slow Speed Bench Grinders. Slow speed grinders do still generate heat, but it happens at a more controllable pace that is ideal for work on delicate metals. This is what is required for sharpening work because the edges of cutting tools are very thin and can overheat easily. With a slow speed grinder and some practice you can learn to sharpen. Regular bench grinders are already slow enough (at removing material), a slow grinder will take you 5 times as long for no benefit. View Entire Discussion (10 . 11 rows · Bench Grinder Slow Speed Powerful Quiet Motor Workshop Sharpening Edges Tool .

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