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Q What is the difference between large and partial-surface polishing applications?
A 1. Applications for large surfaces are implemented in vehicle care by service providers and dealerships for the comprehensive detailing and finishing of used cars. In this regard, polishing systems have to satisfy a wide range of demands resulting from extreme variations in the condition of the surface paint and the degree of surface weathering.
2. Spot polishing is in connection with either new or re-painted vehicles and painted accessory parts attached to often freshly painted surfaces. The main job in this regard is to re-polish paint imperfections that have been previously treated, such as dust nibs, over-sprayed paint or similar flaws, in order to regain a high-gloss surface. The aim when polishing new paint that is not yet completely cured is to permanently remove imperfections and create a high-gloss surface free of holograms.
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Q Which polishing methods are available?
A Basically, there are two kinds of mechanical procedures which depend on the movement of the polisher.
1. In the rotary method, the polishing pad is rotated at high speed on a backing disc over the paint surface. This procedure is extremely abrasive and should therefore be used on heavily weathered paints. Due to the different force in the interior of the rotation axis and the outside area, frequent hologram formation is to be expected.
2. The eccentric method is tuned so that the rotary motion is interrupted through an orbital transfer. This therefore prevents the formation of holograms. The full power of the rotational speed, however, cannot be transferred onto the pad. This consequently results in lower abrasiveness.The stroke of each machine is particularly important in this context for the efficiency of the procedure. Orbital machines with a low stroke generally used for sanding purposes are, therefore, unsuitable for polishing.
This is the CAR'S GIFT area of expertise, choose the CAR'S GIFT orbit 8mm or more dual action polishing machine can be.
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Q What speed should I use for polishing?
A CAR'S GIFT in practical applications concluded that using a rotary polisher speed between 1000 and 1500 rpm is the best range. For new paint, low speed is recommended, while for older paint and heavily weathered paint, high speed is recommended, which will remove deeper scratches faster.
When using the orbit polisher, the speed must be adjusted to the appropriate stroke, it is recommended to use the speed of 4 -5 gears.
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Q What are holograms?
A Holograms are micro irregularities or imperfections which are created by a higher level of abrasion when using a rotary polisher. These consistent irregularities create a light reflection, which gives the area in question the impression of a 3D effect. These irregularities are so fine that they are only noticeable on dark paints due to the high level of light absorption. In order to remove holograms physically, it is necessary to rework the affected areas with a special ultra fine rubbing compound, the anti-swirl compound. We recommend using the medium "orange" pad for such applications. Often, the soft black waffle pad is also used. However, this pad is too weak for very conspicuous or heavy holograms because the ultra fine grains of the anti-swirl compound dissipate due to the foam's soft texture.
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Q Do CAR'S GIFT rubbing compounds contain waxes? In other words, is it necessary to seal the paint after using the compounds?
A CAR'S GIFT rubbing compounds do not contain waxes. Sealants can be applied to protect the paint. Waxes are often used only to achieve a higher gloss level (ONLY VISUAL GLOSS). However, this is not necessary when using the CAR’S GIFT polishing system correctly. With the anti-swirl compound, a gloss result of about 98% can be achieved. This cannot be topped even by using a wax. Moreover, it creates a"genuine" PHYSICAL GLOSS which does not originate simply because the defective surfaces are covered.
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Q Can a hot paint surface be polished under direct sunlight?
A No; even though in principle it is possible. The rubbing compound would dry out too fast, however, and subsequently a considerable amount of cleaning effort would be required. The industry therefore does not recommend polishing hot paint surfaces under direct sunlight.
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Q How should worn and weathered paint be treated before it can be polished?
A The paint surface should be washed clean and should be free from dirt, which can otherwise lead to scratches when polishing. The surface should only be polished when dry.
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Q How much polish is required for the care of a particular vehicle?
A This can vary depending on the condition of the paint and the products used. When used properly and sparingly, 1 kilogram of polish should be sufficient for the care of at least 10 cars.
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Q How and when should the polishing pads be cleaned?
A If the pad begins to dust or stick during polishing, it is time to clean and remove the accumulated dirt and used polish from it. The easiest way to do this is by using the cleaning brush. Simply press the brush against the rotating pad at low speed and allow the bristles to brush the dirt out. After polishing, all pads can be washed out with water and a little cleaning agent. Note that lambskin pads should be left wet and re-attached with the Velcro face onto the polishing plate in order to prevent them from shrinking and losing their shape.
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Q The polish often splatters when I use the polisher. What am I doing wrong? This can be caused by various reasons:
A 1. The polisher is turned on before bringing the pad into contact with the paint (frequent beginner's error)
2. Polisher speed too high
3. Too much polish
4. Tilting of polisher / formation of dust when polishing edges
5. Use of new pad that has not yet been worn in
6. Fresh pad, into which the polishing compound has not been distributed evenly prior to polishing
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Q What needs to be considered when using a new polishing pad (foam, lambskin or microfibre)?
A 1. Make sure that the entire surface of each new pad is coated sparingly and evenly with the required polish. (Note: Any part of the pad that is not coated with polish may cause micro-scratches.)
2. The rubbing compound should be spread across several points onto the paint surface with the pad and then distributed evenly and rubbed in (BEFORE TURNING ON THE POLISHER). The aim is to have sufficient unused rubbing compound over the entire surface in order to ensure a uniform cut.
3. Now set the polisher/pad onto the paint surface and check whether you have set the polisher to the right speed.
4. The actual polishing process can now begin. Switch on the polisher.
5. Proceed by applying the compound in a criss-cross movement. Make sure that the area of the surface you wish to work on is not too large. Always remember: you should be able to cover the selected surface from one comfortable position.
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Q What is the reason that the machine feels less powerful after using it for a while?
A If the machine runs with less power than before, or if sparks are visible through the vents.
It is likely that:
1. the carbon brushes are worn. Solution: Replace with new carbon brushes.
2. the rotor armature may be partially burned. Solution: Replace with new rotor
3. Continued overloading will cause the motor to heat up continuously. The output power of the motor will be weakened by the constant heating of the motor. (If the application scenario requires more power a machine with the appropriate power should be selected, consult CAR'S GIFT staff for product information.)
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Q Why is the machine overheating?
A Some compound need to operate at low speed for sanding, when the machine is working at level 1-2, due to the low speed, the fan rotates slowly, the heat dissipation effect is not good, and the polisher will heat up when it is used continuously under heavy pressure. It is recommended that users do not use level 1-2 for a long time. For long-time continuous operation, you should use speeds above level 3.
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Q What is constant speed? What is it used for?
A Level 1-2 is used for low speed grinding, level 3-4 is used for medium speed grinding, and level 5-6 is used for high speed polishing. The machine controller has a built-in digital chip, which can detect the machine speed in real time. It has constant speed output function when using at speed 1-4. When the voltage fluctuates or the user applies pressure, the chip will monitor the possible speed drop or speed fluctuation in real time, and adjust the corresponding power transmission in real time, so that the machine maintains a constant output speed and a consistent polishing effect, so that the real-time speed during construction and the speed set by the machine are always consistent.
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Q What's a soft start?Why was this feature designed?
A After the machine is turned on, it starts relatively slowly, and it takes 1-2 seconds to reach the normal speed. This is a specially set function to reduce the impact of the strong current on the gears and switches when starting up and extend the service life of the machine. At the same time, it also avoids possible harm to the human body caused by mistakenly starting the machine. Some detailers are accustomed to using the "jogging" method to frequently switch on the machine to operate, this can easily damage the switch, speed regulator, and gears by frequent current and mechanical shocks.
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Q Orbital Polisher:Can I install a different size backplate?
A Often customers are asking if the 5“ polisher can be used with a 3” or 6” backplate. We do not recommend replacing the orbital polisher with a different size backing plate. This is because, the backing plate and foam pads of an orbital polisher are part of a precision designed eccentric system, and the weight of the backing plate is designed to maintain balance between the counterweight and the pad. Using a smaller or larger backing plate than the original may upset the weight balance and cause greater vibration during operation. It is also not recommended to replace the counterweight with the backing plate. The machine is designed with high precision and the bearing housings are specially manufactured to different specifications, so none of the fixed parts can be changed individually to different sizes. Otherwise, it will be difficult to keep the CAR'S GFIT polishing machine running smoothly. We recommend customers to use original CAR'S GIFT pads and foam pads, if using other brands of pads or foam pads they should be the same weight as the original machine.
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Q What causes the machine speed not to adjust? What to do.
A When your machine will not adjust speed and is running at maximum speed, even if you have the speed dial set at a different level, it is highly likely that the speed controller assembly has failed. Sometimes this is caused by loose wires or terminals, contact your service provider and the machine can be returned to an authorized service center for inspection.
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Q What is the reason for the machine not working?
A If the polisher does not work, return the machine to the nearest authorized service center for inspection.
The following parts can be checked as a priority:
1. are the carbon brushes worn out or stuck out of contact with the armature?
2. Is the power cord/plug loose or broken? (can be measured with a multimeter)
3. Are the internal wires loose or disconnected?
4. Is the main switch functioning properly? (can be measured with a multimeter)
5. Is the armature burnt?
6. Is the stator disconnected or burned? (multimeter measurement is available)
7. Is the speed controller assembly normal?
* Because the speed controller is not good measurement, if the detection of 1-6 points are normal, can replace the speed controller
WARNING: The above operations must be performed after the power supply has been disconnected.
