The unpredictable behavior of the heating element in the Chinese glue gun has become a byword. The service life, according to information from Internet users, varies from a few seconds after switching on to five years of proper operation. About the power of the heating element, there were statements from “practically does not heat at all” to “heats quite satisfactorily”. This was the reason for the curiosity that arose, which prompted me to buy, for a start, an inexpensive Chinese glue gun for the subject of "dismantling - looking." That is, to get acquainted with the design of the device in detail, and only. I didn’t take glue sticks, I probably won’t need them.
Glue gun diagram
And now the melting chamber with a heating element installed on it appeared to the eye. It looks like a small jet turbine.
Clamp and thrust pad removed. Here is the heating element. I note that it lay flat on the installation site, in the center and directly contacted the body of the melting chamber with only one of its planes.
I unfold a rather careless package - an insulator. Inside, there is just a miniature ceramic heating element and two contacts for connecting 220 volts to it.
I looked at the heater more closely, rang the multimeter between the sides. They call, but not everywhere. The darkening visible in the photo in the lower part is present on all sides and completely covers the adjacent end side. It doesn't ring. This is a ceramic coating on top of the heating element. Designed for direct contact with the body of the heating chamber and transfer of heat generated by the heater, without placing a dielectric gasket between them. This sputtering is a dielectric gasket. It became clear that the heater was installed incorrectly by the manufacturer. He lay on his side, and even three times wrapped in an insulator. According to the existing sizes of heaters, 4 pieces will fit on the installation site.
Guided by common sense (as far as God has given), I set about correcting the “jambs” of the manufacturer. I brought the dimensions of the contacts in line with the dimensions of the ceramic heater. Exactly in length, and 1 mm less in height.
I made a millimeter bend along the length at a right angle to prevent the contact from slipping down onto the body of the heating chamber.
This is how the contacts assembled with the heater began to look (top view).
The resistance of the assembly (located inside the clothespin) turned out to be 6 kilo-ohms. It immediately became clear that the 20W declared by the manufacturer would not be close to being confirmed.
Exactly according to the size of the ceramic heater, I cut out two copper plates 2 mm thick. It is necessary to somehow fill the void at the installation site and take heat from the sides of the heater.
The cut is made for the possibility of preloading the sides. This will add security in holding the heater in place and is intended to improve heat transfer.
Sectional diagram of the installation. In the figure there are gaps between the individual components, in a real assembly they should not be.
Assembly done. A heater without a gasket stands on a plane (end) intended for this purpose, covered with a dielectric coating, current-carrying contacts on the sides, then four layers of mica on three sides (taken from an old burnt soldering iron), copper plates on the sides. Consolidation - an insulator on the right from asbestos. I had a piece at hand, it seemed that it would be more reliable.
Here you can see that the sides are already pressed against the copper plates and hold the entire assembly, the ceramic heater is directly in contact with the heating chamber wall, and the el. contacts are far away.
The clamp is put in place last. The junction of the wires with the contacts must be insulated with ceramic insulators or something that fully replaces them.
After assembly, the first thing I measured was the current consumption. When turned on, within a few seconds, there is a gradual current surge of 80 - 120 - 210 mA, then a sharp jump down - 20 mA. Mains voltage 225 - 230 volts x 0.02 A = maximum 4.6 watts. And on the front panel of the gun, in plain sight, there is a nameplate, which indicates the power of 20 watts. The glue gun will indeed have the stated power if set to 4 heating element. However, let's not dream, but rather look at the video of the heating dynamics of a correctly assembled and installed (in my opinion) heating element.
Video
The bonding temperature is indicated by the manufacturer at 120 degrees, it was reached in 2 minutes. Yes, it is also necessary to heat the glue stick, but the remaining 3 minutes (the control heating time before starting work is 5 minutes) I think is enough for this. Especially for "" - Babay iz Barnaula.
How to make a glue gun on your own? Today we will consider an option that involves the use of .
With my real experience in this matter, on the pages of an industry publication 3D Today, shared by a portal user under a pseudonym TanyaAkinora. We present to you her story. Punctuation and spelling of the author are traditionally preserved.
As a maker, in my work I use various tools, including glue gun. For miniature work, there is a small gun with a 7 mm rod. But in any case, you have to press the trigger with some effort. And it's not always convenient.
So the idea to make my own instrument was born. in this regard, an indispensable assistant.
The experience of using a 3D pen suggested a variant of the case. The result was a device that I called GlueDart. This is a glue gun in the form of a handle with an electric for 7 mm rods.
The feed button is on front side under thumb right hand. Thus, it turned out handy tool, which makes the gluing process more accurate and accurate.
All plastic parts are 3D printed. During use, the case practically does not heat up.
The only part that has moved from the standard glue gun is the nozzle. As a heater, I used a regular ceramic heater from a 3D printer, which does an excellent job. With a supply voltage of 5 V, its power is 7.2 W.
The extruder uses a reciprocating mechanism and a small motor with a gearbox. An attempt to make an extruder similar to a 3D printer was unsuccessful, since the glue rod is much softer than the filament rod.
Thus, it turned out to be a convenient and lightweight tool with a safe 5V power supply. A blue LED is used as an indicator of the on state.
A variant with speed control was created, but this option turned out to be superfluous.
All modeling was done in Autodesk 123D Design, and some details (axial cam) and partly video in Fusion 360.
I wish all makers creative success.
We print a glue gun on a 3d printer - video
Equipment: Anet A8 3d printer
When implementing this case, a 3D printer was used Anet A8. This is an updated version of the previous Chinese printer model - Anet A6.
The print area is 220x220x240 millimeters. The printer is equipped with a heated table, a display and can print materials such as ABS, PLA, HIPS and some others.
In this way, you can create many useful things and tools in everyday life. If you have your own experience in this matter, let us know and your story will appear on the pages of our section.
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Helpful Hints
Regular glue gun hot glue can be used not only for gluing various parts, but also for creating various patterns and crafts.
When working with hot glue, be careful and pay Special attention child safety as the glue gun gets hot and the glue comes out very hot.
Here are some very interesting and extraordinary ideashow else you can use a glue gun and hot glue:
Glue crafts. We use wax crayons.
You will need:
glue gun
Wax crayons
* It is possible that after using wax crayons, your glue gun will deteriorate, so it is advisable to use an old or inexpensive gun.
* If children are working on the project, then carefully monitor the work with a hot glue gun and hot melted crayons.
1. Remove the labels (papers) from the crayons.
2. Cover the workplace with an old towel.
3. Heat up the glue gun.
4. Gently insert the crayon into the glue gun and gradually push it through. The glue gun's trigger won't be able to push them through, so you'll have to do it by hand.
5. The wax will start to melt and you can use the colored drops of wax to create vibrant blobs.
Wax printing is another way to use wax crayons and a hot glue gun to create vibrant pictures.
Crafts from glue with your own hands. Decorate a vase or candlestick with hot glue.
You will need:
Inexpensive, round vase or candlestick
Heat up the glue and start gently applying it to the vase, layer by layer, until you end up with transparent lines on the walls of the vase.
If you want to do more straight lines, ask someone to help you - let them twist the vase, and you will apply glue.
Unusual crafts. Hot glue corals.
You will need:
thin wire
Glue gun with hot glue
acrylic paint
tassel
piece of plywood
Nails and hammer.
Making red coral
1. Cut the wire into several pieces of different lengths. AT this example their length varies from 10 to 40 cm. Bend each piece in half.
2. Heat the glue and gently cover all the pieces of wire with it.
3. Choose the color you want to paint the coral, in this case red. Use acrylic paint to paint the glue on the wires.
4. When the paint is dry, you can collect all the details into one coral. Take 2-3 pieces of wire with glue and connect them together with another thin clean wire (not covered with glue).
Add 2 more parts to the structure and connect them again with clean wire.
For the coral to stand on flat surface, all ends of the clean wires must be twisted and bent into a stand shape (see image).
Making white coral
1. Cut 3 pieces of wire, each between 30 and 35 cm long, and twist the ends together.
2. Bend all the wires to your liking and lay them on a flat surface where hot glue won't stick - glass, for example.
3. Cover all wires with glue. After that, you can add additional branches of glue to your design.
4. Once you've made the coral the shape you want, let the glue dry and paint it white acrylic paint.
5. To make the base for the craft, prepare a piece of plywood and attach the ends of the wires to it with nails.
6. Cover the ends with glue and paint with acrylic paint.
Unusual handicrafts. Hot glue snowflakes.
You will need:
Glue gun with hot glue
Nail polish or acrylic paint
Parchment paper (NOT wax paper)
Drawn snowflake shape (optional).
1. Print or draw a snowflake on a plain paper and place the drawing under parchment paper.
2. Using a glue gun and hot glue, trace around the snowflake pattern. Wait a minute for the glue to dry.
If necessary, after the glue has dried, you can slightly trim the shape with a hair dryer.
3. Carefully remove the snowflake from the paper. The paper can be used further to create more snowflakes.
4. Both sides of the glue snowflake can be painted with nail polish or acrylic paint.
Original DIY crafts . Rolling pin with a pattern.
You will need:
Any rolling pin
felt-tip pen
1. Draw any pattern on the rolling pin. It is advisable not to draw too many lines.
2. Heat the glue and start applying it to the lines drawn on the rolling pin. It is advisable to carry out the entire process on a flat surface covered with newspaper or cardboard.
3. When the glue is dry, you can use a rolling pin to trace the pattern on the clay by rolling it out.
The glue can be removed and a different pattern applied.
Original crafts. Candle glass holder.
You will need:
Small glass vase or glass
Glue gun with hot glue
Aerosol or acrylic paint
Spray oil or plain vegetable oil.
It is advisable to choose a wide vase so that the heat from the candle inside it does not heat up the glue, which can leak.
1. Wash and dry the vase, then wipe it with vegetable oil and paper napkin.
2. Start applying hot glue to the back of the bottom of the vase, drawing patterns with it. The main thing is that all the lines are well intertwined so that it is easier to remove the glue from the vase.
Continue to paint patterns with glue on the sides of the vase.
It is advisable to wear goggles to protect your eyes, as the glue will heat up the glass.
3. When the glue is dry, gently begin to separate the pattern from the vase. You may need to use a screwdriver, knife, or other tool to make it easier to separate the pattern from the glass vase.
4. Clean the vase of glue residue. Use dishwashing detergent.
5. Paint the drawing with glue. If you are using spray paint read the instructions carefully and follow them.
Now you can insert a glass or a vase into the candle holder and get great decoration interior.
Interesting crafts for kids. Multicolored dots for various crafts.
You will need:
Glue gun with hot glue
Acrylic paint or nail polish
Tassel.
You will have to practice a little to get such even parts, but in the end you will succeed, and all these parts can be used to make various crafts and postcards.
Each dot can be painted with acrylic paint or nail polish.
Crafts for children: do-it-yourself printing (video)
* First, cover the table surface with a special silicone board or silicone oilcloth.
Crafts for the home: making a vase of glue (video)
Interesting DIY crafts. Makeup brush cleaning board
One of the most commonly used tools in various crafts and crafts is a glue gun, or it is also called hot glue. But not many can decide on such a purchase, as for some it may seem impractical. In this video tutorial you can learn how to make such a glue gun with your own hands. It is perfect if you urgently need hot glue, but you don’t have it on hand.
- teflon tape or any other non-stick coating;
- a piece of tin (can be cut from cans);
- copper wire;
- silicone rod;
- wooden block;
- small boiler.
First of all, you need to make wooden handle. To do this, we measure the free part of the boiler and transfer it to the bar. We measure two such segments.
We divide the bar into two equal parts, round on emery. Inside it is necessary to make a recess for the base of the boiler.
We carefully wrap the main part of the boiler with Teflon tape so that the wooden handle does not heat up and does not burn out. After that, you can connect both parts with electrical tape or self-tapping screws.
From the tin, we cut out a rectangle with dimensions of approximately 8 x 15 cm. Using a silicone rod, we twist it into a tube. We cut off another small piece of tin and make a kind of bag out of it. We cut in its wide part in several places. We insert the tube into the bag and fix it. We insert the resulting structure into the boiler, and strengthen it with copper wire.
It is recommended to connect this device in the video lesson through the power regulator, since without water the boiler heats up too quickly and may fail.
The glue gun is one of the most used tools in the home. With it, we fasten, isolate, create homemade products. But what if you try to create a glue gun with your own hands?
See how to make a DIY glue gun:
So, to create your own glue gun, we need:
- Teflon tape or other non-stick coating,
- a piece of tin that can be cut out of tin can,
- copper wire,
- silicone rod,
- wooden block
- an ordinary small boiler.
The materials are ready, you can start making a glue gun.
The first step is to make a wooden handle. To do this, you need to measure lower part boiler, which, as a rule, is equal to 6-7 centimeters and transfer the dimensions to a wooden block. You should pay attention to the fact that the dimensions were transferred twice, since the handle will be made of two parts. After that, it remains only to cut off two parts, make a recess small size so that both parts of the handle can be attached to each other and the middle of the boiler does not interfere. Finally, you can slightly round the handle so that the handle is comfortable to hold in your hand.
The wooden handle is ready. The next step is to wrap the middle part of the boiler with Teflon tape so that it does not heat the wood, and then fasten the two parts of the handle with self-tapping screws or electrical tape.
The first piece should be wound on a silicone rod, and a separate piece 5 cm wide and 7 cm long should be cut off from the second. From this piece you need to create a small bag and attach it to the first piece, passing both pieces through the passage at the bottom of the boiler, wrapping them with copper wire to fix them.
Cool gun is almost ready. To use it, just plug the gun into a power outlet, wait until it warms up and lightly press on the silicone rod.
Attention!!! It is advised not to plug a homemade glue gun directly into a power outlet. It is better to use an extension cord with a regulator to regulate the power of the boiler, which without water heats up to record temperatures, which can lead to rapid wear.