2015年3月30日星期一

四段變速機-減速機故障解決方案


減速機滲漏油原因分析及解決方案:四段變速機

原因分析

1、油箱內壓力升高

在封閉的減速機裏,每一對齒輪相齧合發生摩擦便要發出熱量,根據波義耳馬略特定律,隨著運轉時間的加長,使減速機箱內溫度逐漸升高,而減速機箱內體積不變,故箱內壓力隨之增加,箱體內潤滑油經飛濺,灑在減速機箱內壁。由于油的滲透性比較強,在箱內壓力下,哪一處密封不嚴,油鋼片聯軸器便從哪裏滲出。 

2、減速機結構設計不合理引起漏油

如設計的減速機沒有通風罩,減速機無法實現均壓,造成箱內壓力越來越高,出現漏油現象。 

3、加油量過多

減速機在運轉過程中,油池被攪動得很厲害,潤滑油在機內到處飛濺,如果加油量過多,使大量潤滑油積聚在軸封、結合面等處,導致泄漏。 

4、檢修工藝不當

在設備檢修時,由于液體攪拌機結合面上汙物清除不徹底,或密封膠選用不當、密封件方向裝反、不及時更換密封件等也會引起漏油。

處理方案

采用高分子複合材料修複治理減速機滲漏油,高分子複合材料是以高分子聚合物、金屬或陶瓷超細粉末、纖維等爲基料,在固化劑、固化促進劑的作用下複合而成的材料。各種材料在性能免鍵式軸環上 互相取長補短,産生協同效應,使複合材料的綜合性能優于原組成材料。具備極強的粘接力、機械性能、和耐化學腐蝕等性能,因而廣泛應用于金屬設備的機械磨 損、劃傷、凹坑、裂縫、滲漏、鑄造砂眼等的修複以及各種化學儲罐、反應罐、管道的化學防腐保護及修複。對于減速機靜密封點泄漏可采用美嘉華高分子複合材料 和技術現場治理滲漏,不用拆卸,高分子複合材料在外部治理滲漏,省時省力,效果立竿見影,其産品具備的優越的粘著力、耐油性及350%的拉伸度,克服減速 機振動造成的影響,很好地爲企業解決了多年無法解決的問題。如果減速機運轉中靜密封點漏油,可用表面工程技術的油面緊急修補劑粘堵,從而達到消除漏油的目 的。
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壽山石-雞血石的養護


  雞血石的養護和壽山石的養護不荔枝凍完全一樣,屬于另外的一種門路。因爲無論是昌化雞血,還是巴林雞血,它們都是硫化汞的化合物,硫化汞易氧化而變暗,而失去雞血般的鮮紅色彩。所以,雞血石的養護主要使雞血的紅色保持鮮豔。

  雞血石怕強光,所以最忌長時間在陽光或強烈的燈光下照射,有些收藏者爲了炫耀自己的藏品,在櫥櫃裏裝上強烈燈光長時間照射,這是不理智的做法。因爲過不了多久,被陳列的雞血石表皮必定色澤變暗變黑,失去原有的誘人魅力。

  同樣,雞血石也忌長時間地放在手中把玩,或放在臉部、鼻梁間磨挲,或讓它接觸油膩,因爲這樣做勢必加速雞血石的氧化過程。還有,我們在欣賞雞血石印章 和雕刻件的時候,彼此互相傳遞應該小心輕放,切忌放到桌面上推來推去,因爲原來打磨細膩光亮的雞血石表皮與桌面摩擦會發毛。

  昌化雞血石質地細膩,堅密,帶有韌性。制成印壽山石章後,只須放進合內或套內即可。巴林雞血石具有巴林石的一般特性,需要油封和脂封來養護。有些雞血石和舊的印石,不加任何的雕琢,質資俱佳,顯示了印石的自然美。

  雞血石如果由紅變暗,可用細砂紙磨去一層青皮,鮮紅色彩便又顯露。磨去一層是很容易的事,但有兩個問題很難解決:(1)舊雞血石的表面都有一層包漿, 磨去一層勢必把包漿也磨掉了,這樣舊雞血就變成新雞血了;(2)有些雞血石印所表現的是星星點點的散血,本來就不集中,並且是薄薄一層,倘若磨去了一層, 勢必失血過多。這是打磨雞血石時必須非田黃常注意的,只有迫不得已,一般不要打磨。
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熱風乾燥機-離心噴霧幹燥機的使用及清洗方法


離心噴霧幹燥機工作完成後熱風乾燥機,我們需要對它進行一定的清洗、檢查工作,保證機器的正常。下面由熱風循環烘箱一步幹燥機械爲大家介紹離心噴霧幹燥機的操作清洗:

離心噴霧幹燥機正常運行後,還應定時收料、定時檢查各系統運行情況,記錄各工藝參數。結束時,應首先關停加熱裝置,並用水來代替料液以沖洗料管殘留料液, 然後關閉料泵。當進口溫度減低到100℃以下後可以停止送風機和抽風機的運行。接著清理幹燥塔和除塵器內余料,關閉除塵器及氣錘,最後關閉總電源,完成生 産操作。如遇緊急烘箱情況,必須立即關停設備,應首先關停送風機和料泵。如果突遇停電,應使塔體自然降溫,然後打開排汙閥,排盡料漿管道內漿料,並清洗設備。

此外,使用完畢後應將噴霧盤拆下,浸入水中,把殘留物質用水清洗幹淨。在用清水洗不掉時,應用刷子刷洗。因爲噴霧盤上的殘留物質會帶來噴霧不平衡度,嚴重影響噴頭的使用壽命甚至損壞其它機件乾燥機。噴頭工作完畢後和運輸過程中切忌臥放。安放不正確,會使主軸彎曲,影響使用,因此安放應有固定架。

清洗:爲保證幹燥塔體及其管道和所有與成品接觸的部件的清洗,得到一流的産品,有規則的清洗設備是十分必要的。當産品品種更換時,或是設備已經停産24h以上而未清洗的,應作一次全面徹底的清洗。清洗方法,可根據實際選擇幹洗、濕洗或化學洗。

幹洗:用刷子、吸塵器清掃(適用于小型幹燥機)。

濕洗:用60~80℃的熱水進行清洗。

化學洗:用堿液、酸液和各種洗滌劑清洗。其中,酸洗:將HNO3配成1~2%濃度的溶液,加熱溫度不超過65℃進行洗滌,然後用水清洗;堿洗:將NaOH配成0。5~1%濃度的溶液,加熱溫度不超過65℃進行洗滌,然後用清水清洗。

當進行濕洗和化學洗滌後,應將設備和各部件安裝好,進行高溫消毒,時間15~30min。

在離心噴霧幹燥機清洗時,注意不能用氯及其化合物洗滌。

空氣過濾器的清洗,應按周圍環境條件,即空氣含塵量的高低而定,一般含量高的3~6星期清洗一次,含塵量低的6~8星期清洗一次。其中的不鏽鋼細絲,用堿洗法洗滌後,仍應均勻地敷設到空氣過濾器的框架內,並噴以輕質錠子油或真空泵油。
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大型排風扇-自然通風設備


  豬場通風可以分爲自然通風和廠房通風機械通風兩大類。自然通風則是通過開啓的門、窗和天窗,專門建造的通風管道,以及建築結構的孔隙等實現的通風。

  1通風管通風管道常制成正方形或圓形斷面。正方形的每邊寬度應不小于500~600毫米。圓形的直徑不小于500毫米。爲了避免風力的影響,風管一般 要高出房脊0.5米以上,爲了防止水汽在管道上部冷凝造成結冰或滴水,在管外面纏以草繩、毛氈一類隔熱材料;或者砌成雙層管壁,在壁間填以爐灰渣、鋸末等 保溫材料。管道最好設置在畜舍最高處或離進氣口最遠的地方,也可大型排風扇考 慮設置在糞便通道附近,以便排出汙濁空氣。通風管的總面積取決于在舍內飼養豬的種類及頭數。對于各類豬群,每頭豬所需通風管斷面積的數值,可應用以下經驗 數值:每頭豬所需通風管斷面積爲,母豬150~175平方厘米,斷奶幼豬25~40平方厘米,育成豬45~60平方厘米,育肥豬85平方厘米。

  2風帽風帽裝在通風管上端,防止雨雪進入管道,並起阻止強風妨礙排氣的作用。圖1爲表示四種形式風帽的示意圖。百葉窗式由帽構造簡單,缺點是在冬季容易被冰雪堵塞。圓形或正方形風帽通風效果良好。

  是利用空氣對流、負壓換氣的降溫原理,由安裝地點的對向---大門或窗戶自然吸入新鮮空氣,將室內悶熱氣體迅速強制排出室外,任何通風不良問題均可改善的機器,降溫換氣效果可達90%-97%。

  負壓式風機的降溫原理:負壓式風機是利用空氣對流、負壓換氣的降溫原理,由安裝地點的對向---大門或窗戶自然吸入新鮮空氣,將室內悶熱氣體迅速強制排出室外,任何通風不良問題均可改善,降溫換氣效果可達90%-97%。

  負壓式風機的強大優勢:

1、投資少,耗能低。同等制冷率,一次性投資約爲空調的六分之一,運行費用約爲空調的十分之一;

2、降溫效果顯著,能把溫度降至28度左右與人體溫度相符若配合水井的水作爲水箱的源效果更佳,能比擬空調的效果;

3、空氣清新、濕潤。空氣清潔度可達99%;

  特點:百葉窗通過自動控制系統實現風機百葉的自動開啓和關通風設備閉達到防塵、防水、美觀的效果。

  噪音低、風量大、耗電少、降溫效果明顯;既可吹風、也可抽風,質量保證!是溫室、工廠等場所降溫通風的最佳選擇。

  徹底解決廠房的悶熱、通風不良等問題,助您留住好員工,提高生産力和企業競爭力!

  風機+濕簾=負壓降溫

  用空調投資的1/2成本,1/8的空調運行費用就能使廠房永遠保持在30度以下。
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2015年3月1日星期日

Reasons Why You Should Consider Zinc Alloy Die Casting


Die casting is tDie castinghe most common technique used for manufacturing metal parts for machines and equipments。 Most items are mass produced using this technique。 Zinc die casting is used for producing electronic components, mechanicalMulti slider die casting machine tools, office equipment, window hardware, and lots of such things useful in our day to day lives。 The properties achieved by this process can never be achieved by any other casting processes。

Zinc alloy die casting produces metal parts thatdie casting machine are much stronger than other processes。 They have much stronger properties than reinforced molded polymers。 Zinc is a very hard metal, which is dimensionally stable and has self lubricating properties。 It is perfect for working modules because of its high modulus。 Gearsdie casting machine and pinions made of other polymers would be less durable than the ones made with zinc。 The thermal and electrical conductivity of zinc are excellent as well。 Moreover, the casting tolerances are very good and all these properties put together make it a good option for manufacturing electrical components and applications that need electromagnetic shielding。 Heat sinks made of zinc are highly efficient。 Casting of zinc is done at moderate temperatures, which helps save a lot of energy。

Zinc alloy is known to have the following characteristics:

€ High strength and hardness
€ High thermal and electrical conductivity
€ Low cost raw material
€ High stability and dimensional accuracy
€ Excellent thin wall capability
€ Ability to cold form, which eases joining
€ Excellent corrosion resistance
€ Full recyclability
€ High quality finishing characteristics

Zinc is the best metal that can be machined, pressed, stamped, and fabricated to manufacture items。 This makes zinc alloy die casting the most preferred among all options。 It has high strength and hardness to suit every application。 Zinc casting alloys have the following advantages:

€ The process is highly flexible
€ High precision tolerance
€ Very strong and ductile
€ Really tough
€ Rigidity
€ Anti-sparking
€ Finishing is easy
€ Bearing properties
€ Machinability
€ Casted into thin walls
Multi slider die casting machine Energy costs are low
€ Tool life is long
€ Clean and recyclable

Zinc die castingDie casting allows a wide range of finishes。 You can get any anesthetic characteristics you wish。 It has got an excellent coating durability and can be made to look like weathered brass, stainless steel, solid gold, or leather。 Zinc has got high density, and so its cast parts give a feeling of durability and substance。zinc die casting Plastic components can never come anywhere near to it。 All thesee advantages and features of zinc make it azinc die casting preferred option for all kinds of manufacturing processes。

Custom Mold Rubber Parts-Finding a Reputed Supplier of O Rings


Orings are essenRubber O-Ringtially rubber seal rings with a circular section。 These rings are made of flurorubber or bunan rubber and are commonly found in various domestic as well as industrial applications。 They are also found predominantly in static and alternate motion seals。 Normally, these are installed in a groove and have an applicable speed that ranges from 0。005 to 0。3 meters / second。 Whether it is household appliancesRubber Seal or industrial applications, these rings are preferred by most industries and manufacturers。 Available in inches as well as metric sizes, they are used in machine designs too。

O-Ring Advantages
There are different kinds of these rings available in the market place based on size, brand and material。 A metric o-ring or an inch sized ring offers certain advantages that other similar seal rings do not provide。 For instance, these rings are quite simple and easy to remove or install。 Unlike others, such rings are quite cost effective and at the same time have very little friction drag。 The sealing ability of these rings is quite remarkable and hence used in various applications like gas, oil, water, chemicals and other such liquids。

Choosing O rings
As O-rings are classified in terms of their brand, size and material used, it is important that you know how to choose the right metric rings for your domestic or industrial project。 Always buy rings of the best quality。 The rings should be able to withstand high pressures so that there is no chance of any leakage in terms of oil, gas, water or chemicals。 Any sealing failure normally occurs at the interface of the joints or adjoining parts。 The seal is designed in such a way that there exists a contact point between the sealing surfaces, that is, the mounting surface and the o-ring。 Choosing the right ring will help in the prevention of leakage。

Shopping Online
A wide variety of sealants and adhesives are available at many stores online。 This means you can now shop for O-rings without having to step out of your home。 However, with most online stores offering a wide range of products in terms of size and brand, it can be quite difficult to find what you want, particularly if you are not aware of the ring specifications。 First, determine for what purpose you requireRubber Gasket these rings for。 Next, find out whether the size suits the application needs or not。 ThenRubber Parts determine the manufacturer and brand so that you are assured of the right quality。 Next, make a comparison of the price and see whether you benefit from it or not。 If a supplier is able to meet all your requirements, then buy from that store online。

Choosing the Best Supplier
A reliable supplier is what every industrialist will hope for since it saves a lot of time, effort and money in terms of product installation, repairs, maintenance and other services。 The best suppliers offer world class products by adhering to stringent quality standards。 TheyCustom Mold Rubber Parts also ensure timely delivery of not just O-rings but also of other sealants and adhesives。 Lastly, you can expect top notch customer service and professional assistance, as and when required。

More Information on Industrial Touch Screen Computers


Ever since therepanel PC was a desktop personal computer, the computer used for industrial applications has been present。 Ever since, computers used for industrial application was common and have been utilizedBox PC throughout many industries for acquisition of data in the year nineteen eighty five by which the very first computer was designed to be used for industrial applications and was released。

The ability and capacity of withstanding the different elements that are harmful which are present in industrial places was said to be the design and what this industrial touch screen computer is made for。 Making the parts of this industrial touch screen computer to beAll in one computer in the solid making it not movable, this is only a single device by which the display is incorporated in the computer and is usually known as touch industrial panel pc。

Panel pc touch screen is usually used with industrial panel pc since it performs devices for both input and output with a single unit and is way stronger and better as compared to the devices that have traditional display。

But, there are some disadvantages in using this industrial panel pc and one of which is that using this type of computer, since they have the solid form, repairs cannot be done or make upgrades by the one using。 When this computer experiences some problems, regardless of what processes the device is in, thissunlight readable has to be stopped first until such time a professional on this area can fix that issue。

Because of this, as much as possible, the industrial panel pc are made and are invented to be reliable。 The different partsdigital signage that compose this device are being tried and tested by the manufacturers of this industrial panelFanless pc pc。 The different parts of this i industrial touch screen computer are chosen for their capability of being reliable than the actions they perform and because there is a decrease possibility that in the industrial computer, there will be a break down, this will not immediately signify that industrial computers use technology that is less than the traditional pc。

Usuallytouch screen monitor the industrial touchIP66 screen computer are not created for this kind of task wherein it is obvious that there are few processes that require aIndustrial pc lot of power in computing as compared to the other processes。 With this kind of issue, utilizing the traditional personal computer equipment like the desktop that are of the standard type is a good process to resolve it。 In the enclosureIndustrial monitor of the industrial touch screen computer, this kind of process can be included。 Dirt, fluids and extreme levels of temperature are said to be the harmful elements present in the industrial environment by which the enclosures serve to protect the standard computer against theseVideo wall so that at practically any place the conventional industrial computer is used, so will this specific fanless box pc be。

sintered metal-Metal Beds – A Short Buying Guide


Along with othersintered metal furniture items, Metal beds have always been a popular choice in the market。 Because they blend visual appeal and versatility of design with high functionality, practicality and durability, over time metal beds have won the appreciation of many different categories of buyers。 However, with so many manufacturers and retailers offering such products these days, the task of identifying the best quality and choosing a suitable article of furniture of the kind can be daunting at times。

In order to make sure you will be getting the best value for your money, before buying a metal headboard or frame for your bedroom, consider guiding your decision based on the selection criteria proposed and discussed in the following section of this article。

• Quality Design and Good Structural Strength

Metal beds have many advantages and are generally a good investment, but only as long as they are built in accordance with existing quality standards。 That said, to find out if a particular bed is worth buying, do an overall assessment of quality, check for any visible signs of damage or manufacturing defects, and check whether the hinges are welded properly。

• No Need for Maintenance

Next, inquire whether the metal bed you are considering buying requires any type of maintenance。 Ideally, you should opt for something sturdy and durable that needs no special reconditioning work, especially if kept in a corresponding, neutral environment。 To prevent premature aging of the protective paint and metal itself, a good idea would be to opt for a finish with a textured coating, preferably a powder coat。 This not only looks great, but also prolongs the service life ofpowder metal metal-based articles of furniture considerably。

• A Convenient Warranty Certificate

When buying a new metal bed, make sure it comes with a warranty certificate, which should at least cover the parts of the bed that are particularly prone to wear and tear (hinges, welding points and other bonds)。 For a good level of protection, opt for a frame that offers a ten-year warranty and carefully read the details specified in the certificate to rule out the existence of any hidden or ambiguous clauses that could work in your disadvantage。

• Mixed Material Beds Require a More Careful Examination

When buying metal beds that also include wooden parts, don´t forget to inspect the state of the woodpowder metal too。 Check the type and quality of the wood used, and see that the joints where the metal touches the wood are strong enough to ensure a long service life。 While at this step, also check the quality of the finish applied on the wooden parts of the bed。

• Don´t Use the Size of the Price Tag to Gauge the Quality of the Product

When it comes to articles of furniture, and not only, the costs factor is rarely an accurate indicator of quality, so don´t be fooled into thinking that an expensive metal bed will automatically guarantee a better level ofsintered metal execution and a higher durability。 On the flipside though, don´t expect an absolute bargain to offer good quality either。 The only way to determine whether a particular metal bed is a good investment is to purchase it from a reputable retailer, perform a thorough inspection of its parts before buying it, and make sure it comes with a convenient and long