Do-it-yourself drill sharpening device: 2 options
One of the main parameters of a twist drill is the apex angle, which for strong metals
External ejector in the pump
Features of the ejector for a water pumping station
When the supply of water from a well becomes difficult due to its depth, an ejector comes to the rescue
Welding generator circuit
Generator with self-excitation and demagnetizing winding
Physical properties of manual arc welding Electrodes are used to perform manual arc welding. They are served
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Precision die forging of aluminum and steel products, mainly using closed die stamping technology
For stamping brass, universal stamping presses with high productivity are used. Brass is a fairly ductile metal,
Laptop with laser engraving on the lid
Laser engraver: basics of practical use
Engraving and laser cutting today is a profitable niche for making money, where everyone, having a certain
GOST 21931-76 Tin-lead solders in products. Specifications (with Amendments No. 1, 2, 3)
GOST 21930-76 — Areas of application of various solders
BRANDS 1.1. Depending on the chemical composition, tin-lead solders are manufactured in the following grades: antimony-free -
Homemade knife sharpener
Making a machine for sharpening knives with your own hands
You can sharpen a dull knife yourself without going to a workshop and wasting money -
Diamond pencils - their purpose, functions and applications
Diamond pencil is a dressing tool for abrasive wheels with a high level of wear resistance. It is applied for
Square - metalworking, construction and carpentry. Recommendations for choosing a manufacturer, use and care
Types of squares The large number of areas that use this tool has led to the emergence of a wide variety of models.
Drills for porcelain stoneware: types, sizes and materials of manufacture. Features of choosing and using a tool, 65 photos
A diamond drill is a type of reliable and durable cutting tool used for drilling, reaming
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