Metric Standard

Metric Standard

2013年4月17日星期三

The use of hydraulic hoses should be aware of the following


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(1) hose cloth

Set to avoid the heat, stay away from the performance of the engine exhaust pipe

. Casing or protective screen device can be used when necessary, in order to avoid soft

Tube heat deterioration. ② hose must cross or work may

Friction and mechanical surface hose clamps or shells

Spring protection device, in order to avoid the hose outer damage.metric banjo fitting ③

The hose must bend, bend radius should not be too small, should be greater than

9 times the outer diameter. Hose and fittings connections shall have a period of greater than tube

Sub OD 2 times the straight segments. The ④ hose installation should be avoided at

In taut condition, even if the hose is no relative movement at both ends to

Side, but also keep the hose relaxation, tension hose for pressure

By the following will be expanded, reduced strength. ⑤ installation process, do not

Distort the hose. Hose minor reversed it is possible to make it strong

Degrees lower and loose joints, the joints will be tightened in soft assembly

Tube, instead of the hose screwed tight in the joint. ⑥ hose

Key components such as configuration, recommended regular check

Or replacement.socketless fitting

Drink beer must choose the right beer cup


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Seen Jin Yong "Swordsman" people know that wine to go with Magic Cup, kaoliang to be equipped with a large bucket drink, Herbs wine to go with Furuto cup pear stuffed you need with emerald Cup. What about beer? Few people realize, election on beer cup is a very important thing - very few people realize that drinking beer is actually an art depends on what you will not vote for the cup. Most people drink beer directly holding the cans, or dir ectly into the beer bottle to drink, In fact, this is a bad habit, because with the cup beer, can you smell the aroma of the beer, any kind of tasting are olfactory and taste good match.

    
Wheat beer mug for drinking light beer wheat beer cup - suitable for drinking light beer

    
The to bloom wheat beer wheat beer mug, cup originated in Germany, at the bottom of a narrow, slightly wider at the top, both able to release the aroma of the beer and can produce wheat beer fluffy foam to stay out of the space, which is usually higher t han the pint Cup to be high, able to hold 500 ml of beer with foam, in some other countries, such as Belgium, 250 ml and 330 ml of wheat beer mug. In addition, if the right way to pour beer, wheat beer tends to produce too much foam in the pub, the beer poured himself to the customer, usually let beer mug kept moist, or at the bottom, leaving a small amount of water is used to wet the whole glass, this case, the pouring does not produce excessive foam.

    
The double gall beer mug potable frozen beer 2 double gall beer mug - suitable for drinking a cold beer

    
The advantage of this cup is that you can better maintain the temperature, especially for summer drinking chilled beer can make you a cup of beer has been kept cold. It is a further advantage, not "sweating" confused, you place wet everywhere. Of course, not easy to break.
beer freezer mugs
    
3. Ordinary glass - recreational use

    
Many people like to play mahjong, play cards, chat, play darts, play tennis or painting, cooking, drink beer, beer mug selection in this case, it is necessary to conveniently purposes, as conveniently as possible. Therefore, this basic wine glass is used on this occasion.

    
The traditional German draft beer cups fit to participate in Oktoberfest traditi onal German style draft beer cup - suitable to participate in Oktoberfest

    
Traditional draft beer cup, stone (earthen rare), tin, porcelain, silver, glass or wooden top of them is usually open, or with the thumb to open the tin lid. Most of the traditional draft beer cup is half a liter or one liter capacity, the outside is decorated with the theme of nostalgia, general German or Bavarian ancient allusions. Some people think, Lid originated in the period of the Black Death epidemic, in o rder to prevent the flies fall into the beer.

    
5 a liter draft beer cup

    
Ma is a term of volume units in the German-speaking countries, is now the site especially for beer sales 1Ma? Now equal to 1 liter, just define the capacity, so many styles of beer mug with glass beer mug traditional German draft beer cup shape.

    
Anti-foam glass for rich foam beer 6 anti-foam glasses - for rich foam beer
beer freezer mugs
    
If you do not want to be too rich, your beer foam overflow from the cup, you can choose this wine glass, cup of annular grooved can prevent foam outflows.

    
7.Stange Cup and Becher cup

    
Stange Cup cylindrical apply to Cologne beer. The Becher cup suitable for old beer and the Stange cup similar but shorter and thicker. < span title="Stange杯被放置在一种叫Kranz的特殊托盘的洞中。">The Stange cup placed the particular tray cave called Kranz.

2013年4月15日星期一

Anti-theft bolts


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Influence to promote the use of the current field to set up the tower, metal framework, executives guardrail bolts, nuts and tools used are commonly burglar dedicated high price, not the second fastening, easy to loose reason, resulting in Tower transformer, guardrails, important facilities are easily stolen unloading.
Break the routine standard of the patent concept fastener multilateral body shape, with the cone outer thread with special tools, only clockwise afterburner fastening, counterclockwise afterburner disassemble the tool shed. The cone shape effective way to avoid the possible demolition with a pipe wrench to achieve best burglar unloading effect. Even at long loose can still fastened to meet customer requirements.power plant load factor
: Tower, railway tracks nut due to wind and vibration need continuous maintenance, adjustment, fastening.
Anti-theft bolts major businesses in today s society in order to safeguard their own interests and use anti-theft screws.
Anti-theft screws can be divided into:
1, to safeguard the interests of the merchants and businesses to use anti-theft bolts on their products. For example: the Joyoung many products on the use of anti-theft bolt, his most important role is to keep the casual demolition products and the maintenance of the product to better identify the causes.
2, a security role in a lot of outdoor products will use anti-theft bolts, because there are many drawbacks in the management and use anti-theft bolts to greatly reduce the unnecessary loss outdoors. Example: in the outdoor fence anti-theft bolt is widely applied.
3, easy to use, use the special wrench can be installed without the need for special and complex tool, manufacturers will be equipped with special tools to customers, there is no need to worry about installation problems.
4, nice appearance.power only load boards

Muffle furnace installation


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1, after opening the package, check whether the muffle furnace intact parts are complete. The muffle furnace does not

require a special installation, just a flat on the indoor flat ground or on a shelf. The controller should avoid vibration

placement with the furnace should not be too close, to prevent overheating the internal components can not work

properly.
2, with a thermocouple inserted into the furnace 20-50mm, the gap between the hole and the thermocouple with asbestos

rope packing. Connecting a thermocouple to control the the best compensation wire (or insulated steel core wire), pay

attention to the positive and negative, do not reversed.heat treatment furnace
3, introduced in the power cord at the need to install a power switch, in order to control the total power. In order to

ensure the safe operation of the electric furnace with controller must be grounded.
4, prior to use, the thermometer indicator adjusted to zero, compensation wires and cold junction compensation, should be

mechanical zero adjustment to the reference temperature of the cold junction compensation point, do not use

compensation wire, the mechanical zero adjusted to zero-scale bit, but as indicated by a temperature of the temperature

difference between the measuring point and the thermocouple cold junction.high temperature tube furnace
Check the wiring to confirm the correct cover controller shell. The temperature indicating instrument setting pointer is

adjusted to the desired working temperature, and then turn on the power. Turn on the power switch, the green light on

the temperature indicating instrument both lit, the relay started working, the electric furnace is energized, ammeter

current. With the rise of the electric furnace internal temperature, temperature indicating instrument pointer gradually

increased, this phenomenon shows that the system is working properly. Electric furnace heating, constant temperature

indicated temperature indicator traffic lights, the green light warming, a red light indicates a constant temperature.

2013年3月13日星期三

Pellet sintering Production of the difference between


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 1. With the continued exploitation of the earth s resources, the high-grade ore shortage, we must continue to liquid filling machine

expand the use of lean or e resources, the beneficiation technology advances economic selected high-grade fine grinding iron ore concentrate, and particle size of -200

mesh (less than 0.074mm ) is further reduced to -325 mesh (less than 0.044mm). This meticulous concentrate not benefit from the sintering permeability bad affect

sintering mineral quantity and improve the quality of pellet approach is very appropriate, because too small to concentrate easily into a ball, the more fine granularity

into a ball sex more Well, the higher the pellet strength.
2. Different: the shape of finished ore sinter is irregularly shaped porous lump ore, pellets shape the rules of 10 ~ 25mm the Sphere pellets than sintered ore particle

size uniformity, micro pores, reducing high intensity and easy storage, is conducive to strengthening the blast furnace production.
3. Raw materials suitable for the treatment of pellets from magnetite extended to hematite, limon ite, and iron dust, chemical sulfate, slag, etc.; from a product point of

view, not only the manufacture of conventional oxide pellets, can also produce reduction pellets, metal pellets; pellet method is suitable for non-ferrous metal recycling,

is conducive to the comprehensive utilization.
4 different solid form blocks Mechanism: sinter consolidation by liquidus order to ensure the strength of the sintered ore, required to produce a certain amount of

liquid phase, the mix must be a fuel to provide heat for the sintering process. Pellet miners rely on if the high temperature of the slag particles recrystallization

consolidation, no need to generate the liquid phase, the heat from the combustion of the fuel within the roaster to provide the mix without fuel
5 different production processes: the sintered material is mixed with the pelletization is carried out at the same time in the mixer, into the ball does not comple tely, to

the mix is ​​still containing a considerable number of unpaired ball small particles. Production of pellets must have specialized pelletizing process and equipment

(pelletizing disk, etc.), will all mix caused 10 ~ 25mm ball, smaller than the 10mm ball to weed out the re-balling.paste filling machine

Silicon carbide and aluminum reaction


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Reaction bonded silicon carbide has high strength, high hardness, high wear resistance, high temperature resistance, corrosion resistance, oxidation resistance, ther mal shock resistance, good thermal conductivity, resistance to thermal shock and high temperature creep performance and the main features of . Can be made of beams, high temperature tube furnaceroll

Rods, acute cold air tube, thermocouple protection tube temperature pipe, fire-breathing mouth, wear parts, corrosion-resistant parts, seals and shaped construction.burnout furnace

2013年1月17日星期四

data are not exactly


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As can be seen, each test drawn waveforms and data are not exactly the same waveform not, but the peak-to-peak and rms values ??vary greatly.

Apparently, even with an oscilloscope test will also bring a lot of errors due to the different segments of waveform ripple fluctuations the hopping and test crawl.power supply load testing