Harbor Freight belt sander shocking
When you use your sanding machine in cold, dry, low humidity climates, there is a chance that you will experience a slight shock to your hand. This shock is often due to the static electricity built up over a long period within the vacuum hose. This phenomenon occurs when there is a combination of different factors. When sand and dust begin to accumulate, it gains strength. The stronger the sand becomes, the faster it moves. When you now have sand rushing through the exhaust connected to your sander and the sanding hose being dragged across the ground repeatedly when going through the motions of sanding.
A few standard solutions are available to prevent this problem from happening quite frequently.
The first solution involves using a flexible copper wire about 4 feet long. The first step will be to take a 3/8″ black highly flexible wire that has been re-enforced. Attach the rod to the metal conveyor bed of the sander. The area to focus on here is the hose from the exhaust port on your sander. With one end of the wire in your hand, you want to secure it reverse screw it back. You will be screwing the wire deep into the blue female threaded swivel. You can find this area off the rear end of the sander.
This area is stable and able to keep the wire in place. It is the best place to place the wire because this is the end where the static will be stored when it builds. To help get rid of the static, you need to wrap the remaining wire around the outside of your sanding hose. Make sure to have black electrical tape nearby to help secure areas where the wire is loose. The purpose of this technique is to diffuse the static. You will find the static discharged through the end of the wire instead of you.
Static Free Hoses
Static-free hoses are the most effective way to get rid of the shocks. These hoses have wires inside that automatically discharge the static created by sanding. If you have extra funds available, this option will save you the DIY effort required in the first technique mentioned. Investing in a fully integrated and non-static conductive hose will save you from being shocked for up to 5 years. You can fully protect yourself by purchasing a pair of gloves that do not conduct electricity.
Troubleshooting shocking issue
Sanding dust everywhere (primarily vertical surfaces):
If sand congestion inside the sander is now aggressively stuck to the machine or sanding belt, there will likely be shocks. Sand can become quite a nemesis and often gets attached to your sander’s workpiece, rollers, platen, and many other mechanisms. Blow the sand out regularly to avoid having static problems issues.
If you look closely at the conveyor belt, you will see pores in the rubber. These pores are commonly filled with dust when you sand. As the dust begins to accumulate, you will feel more static. Check the conveyor belt thoroughly for this problem; otherwise, your conveyor will become slippery prematurely and may shock you.
Off-tracking of the belt:
You will constantly suffer from mid-track if you do not handle the dust issue affecting your sander. If you leave the dust accumulated inside the machine, it will shock you and break down.
Dust Extraction System:
A clog in the dust ventilation mechanism you use will have its static charge waiting for you. This shock will undoubtedly build up if the hose is clogged. This problem will happen even if you have a non-conductive hose.
When sand is on both the workpiece and the sanding belt, intense friction is created. When this happens, you will be sanding dust with dust, burning your sash, which can shock you. You can raise the heat significantly if you do not clean the sand out.
Issues on the Workpiece:
It is essential to check that there are no raised lines on the workpiece. A common principle to note in this regard is that lines that are created by static will typically jump over spots. They rarely form a continuous line from one end to the other.
The shiny line on the workpiece:
To avoid being shocked unexpectedly, you can physically look for static. If you notice a shiny line on the workpiece that follows the oscillation of the belt, this is static buildup.
What should I check before using a belt sander?
What are the three most crucial sander safety rules?
Impact-Resistant Eye protection
Impact-resistant eyewear can save your life. It is necessary to wear this whenever you are using a belt sander. It is one of the essential personal protective equipment (PPE) items that one can wear when using a belt sander. A belt sander has a high-power motor, which can physically blast small wood chunks into the air like bullets. If you choose not to wear the appropriate impact-resistant eyewear, these chunks can lead to vision loss.
Sand Away from Your Body
Ensure that the motion you perform when sanding is going away from your body. When moving at high speeds, this impact can cause serious injury. You need to avoid the chance of the belt accidentally touching your body. When using a belt sander, you should always have the object not close to you.
Inspect Belts and Discs Before Use
The sander’s belts and discs need to be checked for any issues before you begin sanding. Ensure that everything is tightly screwed on and secured correctly. Any slight imperfections such as a broken belt or disc can cause injury. Make sure to wait until the problem is fixed before you use it.
When using a belt sander, you should never?
- Never use one hand to sand
- Never touch the belt while it’s moving
- Never ignore dust collection
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