Miniature Drilling Machine
Watch the process video775th motor is used as a power element of the device. There are two options for the electric motor: We advise you to use the first option, which allows you to be powered from a conventional car battery. The basis of the engine is formed of wood.
Tools and materials used in the manufacture and installation of the machineThe materials used in the manufacture of a miniature drilling machine are used:
- - electric motor 775;
- - a pair of sliders (for furniture);
- - a mini-cartridge used for a drill;
- - car battery (if necessary);
- —the required length of electrical wires;
- —the controller unit designed for precise control of rotational speeds;
- - spring;
- - metal ir plate (used as a lever);
- - heat shrinkage;
- - corners for connecting perpendicular planes;
- - the necessary number of screws;
- - a special bracket forfixing the motor;
- - quick-drying paint;
- - lubricant;
- - marker or pencil, ruler for measurements;
- - a mug (preferably metal).
- - electric drill;
- - a screwdriver with variable nozzles (you can easily and inexpensively buy it in Russia);
- - a regular soldering iron with solder and tin;
- - screwdriver;
- - Bulgarian (preferably bought in Russia);
- - pliers.
The procedure for producing a miniature drilling machineThe manufacturing process of the device can be divided into several stages.
Preparing materials for making the base.For the manufacture of the base (or frame structure), you can use ordinary boards and bars. As an alternative material can use verbose plywood. In the presented photo you can estimate the size of the required blanks for the production of the structure.To ensure its aesthetical and comfortable work, the tree should be carefully polished and painted with non-marking paints. You can use an ordinary spray can. Black color will be the most effective and economical.
Install the mounting part that secures the engine.When manufacturing a mounting device for an engine, it is advisable to fix two wooden bars with screws on the wood. If there is a need to achieve maximum reliability of the structure, then you should additionally use glue for wooden products.
Installing the sliders.For maximum reliability and durability, it is advisable to use two sliders. After disassembling, the first is attached to the vertical stand. The fixing is carried out using self-tapping screws. The second slider is mounted to the device that holds the electric motor. the form for using the engine torque. The assembled platform can move in a vertical plane. Completing the work of the third stage, it is necessary to lubricate the sliders to reduce friction, soften the working stroke, and extend their service life and operation.
>img src="https://sdelaysam-svoimirukami.ru/uploads/posts/2018-02/medium/1518242311_16.jpg" style="max-width: 100%;" alt="Miniature drilling machine">
Mounting the stand on the baseFor the construction of a solid foundation it is desirable to use a wood plate: this will allow the construction to become stable and safe to work. As a slab, it is best to use a massive board in which holes are drilled. The rack is screwed with screws.
Installing the engine, chuck.Mounting the motor will not take much time: you need to stock up with two screws and secure the unit. After that, the drill chuck is installed.
Mounting the lever.To produce and mount the lever, use a narrow metal plate of the required length. At its end, the mounting hole is drilled. The lever is screwed to the rack with three nuts and one bolt. It is necessary to adjust the stroke of the lever so that it moves freely along the vertical axis (up-down). A clip is formed from a thick wire or a thin metal rod, designed to transmit movement relative to the platform with the engine. The bracket is made in the shape of "P" and holes are drilled under it. The bracket is mounted on the structure. The return spring will be designed to move the platform to its original (idle) state. For this purpose, the desired size of a moderately rigid spring is cut off and cut off, which is fixed to the lever (one end) and - with the help of a screwdriver - to the base (second end). Heat shrinkable tube in several layers can be used ascomfortable handle.
Production of the working platform.For the convenience of drilling, a working platform is formed, which will include a drill. You can do without it, but its presence will create comfort when working and will provide a partial collection of sawdust when drilling. For manufacturing it is advisable to use the lower part of a metal cup, which is fastened with screws.
Completing the assembly, commissioning.After the drill is ready, the electric motor is powered. Installing the controller (adjustment unit) will allow you to select the rotation frequency of the cartridge when drilling different materials (wood, metal, etc.). After installing the card and connecting the power supply, the miniature drilling machine can be tested. Using the device, a bar (4 cm) is easily and thoroughly drilled. Thick metal is also bored successfully.
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