Q:Where are the tolerances for jigs and surfaces?

General hole according to the 6.7 level accuracy, shaft according to the 5.6 level accuracy, position degree Phi 0.01, specific according to the fixture requirements and so on to decide.

Q:What kind of motorcycle disc can you change?

When the chain is slipping, it must be replaced. It is the gear on the disc that can not hold the chain. In the ordinary, you can check and see if the gear of the disc has deformed! It's changing so much that even if it doesn't slip, you have to change it!

Q:How are grapes grown in a disk?

Potted grapesPotted grapes are the generic name for grapes grown in containers. Any vessel that uses containers such as pots, boxes, barrels, and planters can be referred to as pot grapes. Grape pot early results, such as the cultivation and management of well, two years can result, every grape fruit 1 3kg, more than 4 5kg.

Q:Wheel axle on a bicycleThe pedal and the disc gear on the middle shaft comprise a labor-saving wheel axle (the radius of the pedal is larger than the radius of the disc gear). How do I feel wrong?. There is a shaft in the middle of the disc gear. It should be. The middle axle is the shaft of the axle. The disk is the wheel, isn't it?The principle of the pedals and the disc gear on the center shaft is different from that of the screwdriver, screw and nut of the cross sleeve

The pedals and disc gears on the middle axle of the bicycle are wheels and axles, and there is no doubt about it!There is a shaft in the middle of the disc gear. It should be. The middle axle is the shaft of the axle. The disk is the wheel, isn't it? - errorThe axle in the middle of the disc gear is the center of the pedal and the rotation of the disc. Which shaft is exerting the force on it?The wheel and the shaft are relative!The principle of the pedals and the disc gear on the center shaft is different from that of the screwdriver, screw and nut of the cross sleeve - the sameDoes not the middle of them have a shaft as well? That is, around the center of rotation?!

Q:My family only raised a sunflower, and there was no planting around it. Now the disk is big. How can we finish the pollination? Can pollination bear fruit?

Natural pollination of flowers, wind, insects

Q:The disc of sunflower towards the sun reflects what features of life

Optical properties of plants

Q:All I know is that the chuck is holding the workpiece. What about the faceplate?

Clamping workpiece

Q:Short, and feel the body can not bear the weight of the disc like askew, leaves are still yellow, is not to chemical fertilizer?It's not planted in the pot. There's a small plot in my yard. But the soil is not so good. It's a deep layer of soil bought from the construction site. It's yellow and sticky. Can I apply some fertilizer?

May be the reasons for varieties, I also have a species of nearly ten strains of sunflower, short 0.8 meters, 1.8 meters long, but this disk is not large, the particles are very full. From your supplementary question, it turns out to be the soil fertilizer problem, and the surface black soil must be the surface. Now it is too late to apply fertilizer. Sunflower fertilizer requirements are very high, the soil is not long on the high, small disk.

Q:Besides, what are the characteristics of plants?.

BrightnessThe rest are: correlation, geotropism, to water, to support, to touch, to the resistance etc.. If you want to study, you can also see this:Sunflower, the disk will turn toward the sun;Mimosa leaves, wind or animal touch, that will fold and droop;Hibiscus flowers, color day three, morning, noon, evening;Having Nepenthes, deformation of the blade like cage, the upper end of the small cover, usually a cage mouth has sweet secretions, attract insects, when they went to the cage, which will slide into the cage, then covered with small cover. The cage contains digestive juices, which digest and absorb worms. The small cap opens again and waits for new food;The leaves of the acacia tree are pinnately compound, and they are stretched horizontally at night and folded up at night;The growth in South America involvens drought environment, they pull out the roots, body curled, wind rolling, rolling to the wet place once, to take root growth immediately continue to expand. The drought will also repeat the stock tricks again;The tip air plant meat, will grow seedlings, such as seedling growth to a certain extent (independent life), self seedlings or knocked down, falling at the root in soil

Q:Once saw a asthma folk prescription, said that eating sunflower disc can be treated, but this disc how to eat? Is it fresh, petal, or sweet, or dry? How's it going? Also, is asthma patients can eat red ginseng?

Take orally: decoct soup, 15-60g. External use: the amount, or powder deposited during dressing. Red ginseng can be applied, he has no side effects on the human body.