In detail: do-it-yourself car frame repair Mercedes from a real master for the site my.housecope.com.
this is not a robot, but the stucco molding is done obscenely!
And the frame (spar) remained bent by the Master)))
when you do such repairs .. in the middle of the frame, stops are placed. before it is hung out and the frame is straightened under its own weight.
as it was crooked and remained. in general, after joining the frame, it is leveled completely in level, pipes are welded in and assembled
Yes. the spars rotted through. There was a lot of work. I know usually such things are cleaned with a sandblasting machine (professional equipment), it is more pleasant to work later and you remove all the rust. Of course, you know better.
This is not a repair, unless, for sale, it will come off .. A frame is put on the rotten side members .. At the very, 207 Mercedes, in the place where the upper eye of the rear shock absorber is attached, a piece fell out of the side member
Thank you for sharing your experience. I also have to do this in the near future. It's good that now there is an opportunity to prepare the necessary materials and tools for this work in advance.
a lot of mistakes Uzbeks chtoli restore and at the end the gap between the cab and the body remains the same do not shoot more video do not deceive people THIS IS AN EXAMPLE WHICH IS NOT WORTH LEARNING THE GENTLEMAN THIS NAME YOUR VIDEO
I would have handed over such ancient shit to ferrous metal
After the "repair" of the collective farm, the cab is piled on top of the body. You should kick in the ears for such a robot.
The frame is bent at the place of attachment of the cabin
Foam. Are you seriously. Everything rots from it.
There is a question. What car do the disks cost from?
terrible and terrible his majesty the KOLKHOZ, a year or two and will rot again
Hmm, the repair is cool! It is dangerous to drive next to it, it will decompose with the load! The cockpit was reinforced specifically with a splen!))) In the photo you can see how it stands straight.
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guys tell me where you can find the head for the 602 engine.
Yes, in the beginning it looked very sad.
So the frame, along the way, remained crooked.))))
I subscribed, I like it, I watch the whole question, was it worth it?
Yes UTB was preparing for the sale of cars. and at the end, look, the broken one was and remained. eyes
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Frame repair is a fairly common task. Damage is different, depending on the nature, these are cracks (a fairly common occurrence), and folds and deformation.
Often in the case of serious accidents, the behavior of the frame is very difficult to recover and impractical. But in most cases, damage is expressed in cracks or the frame bursts. Such damage can be repaired safely. But it is important to follow the repair technology, since the frame structure works in difficult conditions, very strong torsional loads.
- you need to cook with a semiautomatic device,
- avoid overheating,
- be sure to cut the seams,
- boil the root of the seam.
Before starting the repair, you need to carefully inspect the frame for cracks. A video endoscope is suitable for internal examination. If you don't have a specialized one, you can purchase a USB endoscope that works with a laptop or smartphone.
For repairs, you need to provide access to the place of damage, if necessary, dismantle the parts that interfere with the work. The best method is to free the frame of all attachments and components to reduce the load. If the cracks have parted, they must first be brought down with the help of jacks and be sure to measure the diagonal control points of the car. The distance difference should not exceed 5 mm. If there are deviations, then you need to pull the frame on the slipway.
The straightening of the frame, including in places of cracks, is carried out in a cold state with a sledgehammer and hammers, using mandrels and supports.
On trucks and semi-trailers, the frame is controlled using pneumatic or hydraulic equipment.
Cracks are repaired by welding and riveting of reinforcing linings.
The main feature in preparation for welding:
- determination of the visible end of the crack (using a magnifying glass);
- drilling the end of the crack (before drilling, turn the center under the hole at a distance of 5 - 10 mm from the visible border of the crack along the line of its direction; drill with a drill with a diameter of 5-6 mm);
- cutting edges at a bend of 90 degrees to a depth of 2/3 of the thickness of the metal of the part, with a plasma cutter, if not, you can use a grinder, but it takes longer.
- cleaning the edges of a crack with a width of 20 mm (steel brush or electric sander).
The cracks on the side members are eliminated:
- welding and installation of an external or internal reinforcing box-shaped lining on rivets;
- welding of a crack and welding of a reinforcing triangular plate;
- welding of a crack and welding of a reinforcing plate made of angle steel;
- longitudinal cracks or a bunch of cracks on the vertical wall is eliminated by cutting out the damaged area and welding a rhombus-shaped insert;
Before installing the overlay, the seam must be trimmed flush with the base metal.
If it is not possible to boil the root, then it is better not to take up the welding of frames.
- First pass root boil: current 100 A wire Sv08 1.2mm gas mixture Ap + CO2 20% short rollers from left to right across the crack with interruption of the arc and without overheating the metal, but with the formation of a reverse roller.
- Second and third pass current 110 A exactly the same, but the rollers should be thin and overlap.
- Fourth pass current 120 A a roller in the entire width of the groove with a slight approach to the base metal, the rollers are dense and, depending on the heat loss, it can be a continuous seam, but without overheating the metal (3-5 rollers and interruption of the arc).
- The fifth roller overlaps in each direction the minimum is cooked in the same way, but without interrupting the arc. The seam is wide, convex, and quite even.
The vertical is cooked only from top to bottom. If the client asks to hide the traces of welding, then the fifth roller is not cooked.
Each case of frame welding is very individual.
Large seams should not be cooked at a time, since in the heat-affected zone the metal will harden and become brittle when deformed.
In the photo, the frame has already been made, the seam is disgusting. I had to redo it.
Seams were cut at 90 degrees, where VIN was, holes had to be drilled, this in order to relieve stress, so part of the crack cannot be welded, and if you do not make holes, then from metal stress, the crack will go back to welding.
The seams were welded using the technology above.
In the repair that is provided above, the pad was not required. An extra weld seam is not good for the structure. The pads are used in case you need to strengthen the frame, where the metal is tired, and there are many vertical cracks. It is better to weld diamond or elliptical overlays rather than overlapping.
For linings and patches, you need to take the same steel from which the frame is made.
Good afternoon, dear members of the forum.
After two successful projects Photo report of Fuso revitalization Fuso frame lengthening experiment,
We decided to try our hand at repairing the frame after an accident, and of course also Fuso. Our team is very friendly and handy and it was decided that it was in our power to restore a car with very serious damage to the frame, for one thing and gain valuable experience without valuable experience, and the border of possibilities we can We are it or not. When I say we mean myself and the team, I don’t write the names without consent yet, but I think I’ll announce it soon.
I will not give a link to the sale of this car, the most important thing here is the frame, and there will be a report about it with a photo.
She was in this state after parsing and removing the main units
According to troubleshooting, it was decided to straighten the left side of the frame, and the right one, since the deformations are not compatible with further operation, replace it, fortunately, on occasion, a piece of the frame on the right side was lying around in the bushes)
There was no particular experience in repairing frames, but there was little knowledge in this area, a rail of about 2.5 meters was used, and two ties were made from a 2-meter hairpin by 30, I will not describe everything only on intuition and knowledge of metal properties, Yes, I forgot to write about the sledgehammer, without it this repair would not have taken place)
Each fastener took about several hours, everything was done without heating.
There is little left to do, cut and cook a piece of the frame, on this issue there was a lot of controversy, who to entrust, how to do, how long to walk, etc.
There are very few people who cook frames and even fewer who cook well, and almost a few who do this from the heart, and such a person was found.
And the next stage came, the replacement of a part of the frame.
it was in this place that they decided to make the frame connection, in principle, almost in the middle along the axial, taking into account that everything will be drawn to the stretcher just in case) there has always been a share of skepticism in this project)
8 years on the site
user # 206233
Repair, straightening, welding of frames of minitrucks Mercedes, Ford, Volkswagen, etc. All work is performed on the floor cargo slip, with the setting of the frame geometry. After our repair, we give a guarantee for the work performed. We produce repair parts of the frame of any thickness, usually from 2 to 5 mm + 375296681814, + 375291482456 Website
4 years on the site
user # 1055632
- Editing of truck and trailer frames:
- lateral displacement;
- vertical bend;
- diagonal offset;
- torsion;
- local deformations, folds, ruptures of spars and cross members.
- Repair of trailed equipment frames;
- Full or partial restoration of the dump truck body;
- Elemental and complete painting with preparation for it.
Often the longitudinal side members are displaced at an angle with respect to the longitudinal axis of the frame due to external loads. The front part of it is often strongly deformed due to the strong lateral displacement occurring in relation to the side member.
Vertical bends can appear in different ways. This is often caused by improper use of the truck's tipping or loading equipment. The picture above shows what happens when a truck is being loaded.
When the frame is twisted, the side members remain straight, but skewed in relation to each other. The crossbeams are usually at the right angle to the side members. Quite often, this damage occurs on trucks with two axles.
The frame side members move longitudinally and the cross members do not form right angles to the side members. Diagonal displacement often occurs on trucks when rollover.
DIY Mercedes T1 repair
