Be the master of oneself: how to sharpen a knife for meat grinder
Chopper is a real old timer who is a very honorable and respected place in our kitchens. It was created in the nineteenth century and serves as a kind of manual food processor us more than a century.
Many chopper associated with the delicious smell of my mother’s meatballs. But the list of dishes that you can cook with it, much wider. Mincemeat, homemade sausages, canned mushrooms, fruit jam, shortbread biscuits and a variety of sauces – this is only a small part of what sight is familiar to all device. And during seasonal harvesting the meat grinder and did the essential thing.
Regardless of the used mechanical or electric grinder, the principle of it is virtually unchanged. Like any technology, the chopper also needs proper maintenance, care and periodic sharpening of the main cutting parts of knives. How to do it correctly at home, and is dedicated to our material.
- Features and principle of operation of the knives
- Methods of sharpening
- Important rules for self-sharpening
- The results
Features and principle of operation of the knives
To understand the principle of operation of a knife grinder, let’s see how it turns meat into a juicy beef. If you look at the grinder from the top and look at her tray of meat, you can see the spiral. This shaft (or screw) is rotated with the handle of a meat grinder or electric motor, delivering cut pieces of meat to the knives.
For many will be the revelation that any grinder, is actually two knives. The first is the fixed blade mesh with holes, and the second is a revolving four-bladed knife. Weight, movable on the screw, moving blade is crushed and then pushed in holes in the knife grid.By itself, the process of twisting meat in the stuffing should not bring any considerable inconvenience. Of course, if the knives are properly installed and well-sharpened. The first bell, talking about the blunt cutting of the parts is a planned increase in applied force when using a grinder. Simply put, if you use the grinder became heavy knives need sharpening.
To identify the second factor, indicating malfunction of the knives, the task is simple too. When cleaning the grinder the meat fibers appear between the moving knife and the grid, it speaks to their loose fit to each other. This situation is solved stropping knives.
Methods of sharpening
To sharpen the blades of the grinder will not be easy, and to perform such work at home. It is only necessary to stock up on a smooth grinding stone or emery paper. However, you can use any other abrasive material with fine grain size.
First, consider sharpening the movable knife. Attaching a knife to emery (grinding stone) to make several circular motions. Be sure that the knife was pressed tight enough and the movement was carried out counterclockwise. It is necessary not to damage the cutting edge even more. Now, looking at the knife, you can see some shiny areas is starred oxides and ran with the metal. Repeat the sharpening until until dark oxidized sites will not do.
Take a bolt the same diameter with a hole in the knife, and threading it fixed in the Chuck of the drill. Then turn on the drill at low speed (be sure to use the reverse) and gently leans against the knife flat to the abrasive surface of the stone. Get improvised grinding machine. This method, of course, suitable only for rough editing of a knife, bring it to the proper sharpness will still have to manually.
Where more than sharp knife out of the hands of professionals with surface grinding machine. On this machine the knife is removed, a smooth layer of steel, and besides, you can adjust its cutting edge at the correct angle. Alas, these devices can boast not one, but for help you can always contact a special workshop.
Let’s move on to the knife grids. It is, in fact, not dissimilar way, the only feature – the patient will need more. Subject to sharpening only the side which is in contact with the moving knife and to straighten her needs with the utmost care. The small warp and knives will no longer tightly adhere to each other at work. In this case, however acute they may be, the soft grinding of meat will not work.
Important rules for self-sharpening
There are also a few tips, following which can be faster and better to sharpen the knives. First, always wet grinding wheel and sandpaper with water. This will allow for a more smooth surface of the cutting parts. Before sharpening, by the way, it is very desirable to dip the knife in oil. For this fit any cooking oil – olive, sunflower, corn. This procedure of “bathing” will not become overheated during grinding and will protect it from damage.
Second, for sharpening the fixed knife, always use the abrasive cloth is large in size with extremely smooth surface. And thirdly, when sharpening, move the knife along the canvas, trying to use all of its area. Also the circular movements slowly rotate the knife around its axis – so the knife will be sharpened evenly from all sides.
Regular service and maintenance of the grinder in working condition – the key to a long and pleasant use. The easier it is to work with the device, the more they want to use. This means that on Your table of homemade Goodies will be more. And more. We hope that our recommendations will help You with this.
If You are looking for a new and efficient assistant, we recommend You to consult the previously published guide to the selection of electric meat mincers.
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