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Sand mullers break up sand after it has been used in molds to facilitate sandcasting. By effectively breaking up the sand, it can be reused. The worm on a motor or on the "driven" side of the device will engage with a worm gear. The worm rotates continuously, and the spiral cut gears "worm" their way "along" the axis of the gear. The worm gear (or spur gear) engages with the worm and rotates continuously as well. Also, the worm gear will translate the rotary motion of the worm by 90 degrees. It is fairly easy to see how the unit works if you look at some pictures or drawings. Hey, how about some animation or video? Got a couple of links.
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What is the similarities of plastering sand and concreting sand?
Plastering sand is find sand screened to suit the plaster coarse i.e. base coat or finish coat. For finish coat very fine sand is used. Sand for concrete is not sived if pebles are not present. Both sand shall be sweet sand, if from sea it has to be washed before use.
What is best for cement mortar fine sand or coarse sand?
Fine sand is best for mortar.
Is sand mixed with mortar mix for laying concrete blocks?
Not just any sand. Mortar sand. Mortar sand is a larger grain sand that has been washed and screened to remove any rocks or pebbles.
How does shear strength of fine sand effect by void ratio?
Shear strength of fine sand is determined by the angularity of the sand particles, the grading of the sand. These two features governs the critical state shear strength parameters of the sand. Density, however, dictates the peak shear strength of the sand. i.e. the denser the sand, the higher the peak shear strength. But the critical shear strength remain the same. The denser the sand, the lower the void ratio. Shear strength of fine sand is determined by the angularity of the sand particles, the grading of the sand. These two features governs the critical state shear strength parameters of the sand. Density, however, dictates the peak shear strength of the sand. i.e. the denser the sand, the higher the peak shear strength. But the critical shear strength remain the same. The denser the sand, the lower the void ratio.
Why use sand in concrete?
The sand (ballast) provides strength, hardness, and durability. The cement binds the sand/gravel together.
What is the principle ingredent of glass?
sand and heat.
What two principle elements combine to make sand?
Silicon and oxygen
What are examples of the principle of totality?
lunar eclipsea glass filled with watera container filled with sand
What is the recirculate position on a pool filter valve for?
intex sand filter is not working on filter only working on recirculate position.....what should we do
What is the principle is involved in determining the volume of sand in water?
You can very accurately determine the volume of sand using water. If you just take some sand and measure the volume, a lot of the volume you measure is actually the empty space between the sand crystals. If you want the true volume of the sand, you must use the water method.To do this, start with a known volume of water (use a graduated cylinder for instance). Record this volume. The weigh out a certain amount of sand, and add this sand to the water. When you do that, the volume of the water will increase. Record this new volume. Then simply subtract the initial volume from the final volume. This difference is the volume of the sand particles. You can also calculate the density of sand by this method since you weighed the sand before adding it, and the density is just weight ÷ volume.
What are the best tips for maintaining a bicycle for beach sand riding?
To maintain a bicycle for beach sand riding, regularly clean and lubricate the chain and gears to prevent corrosion from saltwater. Inflate tires to the recommended pressure for better traction on sand. Rinse the bike with fresh water after each ride to remove sand and salt residue. Check and tighten all bolts and screws to prevent rusting. Consider using a fender to protect the bike from sand and water splashes.
Why is it difficult to work on sand?
Sand lacks stability and firmness, making it challenging to get a secure footing or have a stable surface for working on. The shifting nature of sand also hinders the ability to use tools, equipment, or machinery effectively. Additionally, sand can easily get into machinery or instruments, causing damage or malfunction.
What is the principle agent of erosion in the desert?
Wind is the primary agent of erosion in desert regions. It carries and deposits sand particles, creating distinctive landforms like sand dunes. Wind erosion is a significant force in shaping desert landscapes.
A sundial is said to be the timepiece with the fewest moving parts What is the timepiece with the most moving parts?
A typical mechanical watch has the most moving parts of any timepiece, with hundreds of components working together to keep time accurately. These parts can include gears, springs, levers, and jewels, all carefully synchronized to ensure the watch functions properly.
Why a heap of sand has pyramidal shape?
A heap of sand tends to form a pyramidal shape due to the principle of angle of repose, where loose, granular materials like sand naturally settle at an angle that is the smallest stable slope they can maintain. The weight of the grains above helps to stabilize the structure and create the pyramid-like form.
What are some tips for choosing the best bike for sand riding?
When choosing a bike for sand riding, consider getting a fat tire bike with wide tires for better traction. Look for a lightweight frame and good suspension to handle the sandy terrain. Opt for a bike with lower gears to help you pedal through the sand more easily. Additionally, consider the size and fit of the bike to ensure comfort and control while riding on sand.
Why would the flow meter stop working on the swimming pool?
Possibly a grain of sand or debris in the flow tube.
