2014年6月24日星期二

Plastic bearing-Angular Contact Bearing


An Angular Contaslide bearingct Bearing is a type of specialty ball bearing used in many manufacturing and industrialPlastic bearing applications。 This relatively small device is designed to support a greater range of forces than a standard bearing, and to work within even the most precisely engineered machines and equipment。 Manufacturers may use steel or other metals to produce an angular contact bearing, though many are turning to ceramic and similar materials due to their higher strength and durability。

To understand how an angular contact bearing functions, it helps to understand the basics of ball bearings。 Standard ball bearings consist of two concentric metal rings, or races, with a series of metal balls placed in between。 When the bearing is placed inside of a machine, the balls help to reduce friction, improve performance and extend the life of all related components。

For a simple example, consider a skateboard wheel。 A ball bearing sits between the board´s axle and the rubber or plastic wheel surface。 As the wheel spins, the balls inside the bearing also spin, which reduces friction between the axle and the inner ring, or raceslide bearing。 This allows the rider to achieve faster speeds and enjoy a smoother ride than he would without ball bearings。

On an angular contact bearing, the races are inconsistently sized so that one edge is thicker than the other。 This causes the balls within the rings to sit at an angle to other components within a machine。 By placing the balls at an angle to an axle or similar structure, engineers can reduce friction and add strength along both the axial and radial forces applied to the bearingPlastic bearing。 This means that the bearing can withstand force applied along the longitudinal axis, in this case, the axle, as well as along the inner and outer radius of the races。

Typically, the smaller the angle between the bearings and the axle, the more radial force the bearing can support。 To support greater axial loads, engineers use an angular contact bearing that creates a deeper angle between the bearings and axis。 Designers or installers must also consider things like speed, movement, temperature, and deflection when choosing an angular contact bearing。

Angular contact bearings can be found in most types of motors and engines, including those found in cars, airplanes, and machinery。 Miniature versions are also used in hand-held power tools and some medical and dental equipment。 Hardware, such as door hinges and locks may also contain some form of angular contact bearing。

sintered metal-Metal & Steel Bollard Post

Companies usuallsintered metaly carry five main categories of metal and pipe bollards in both used and new condition。 Many of these are easy to install yourself, while others require professional installation that most companies will implement on your behalf upon request。

Metal bollards are extremely rugged and will withstand impacts from a variety of material handling devices such as pallet racks, forklifts, and scissor lifts。 They can be used to protect any sensitive storage area, storage materials and racks, and restricted access points including parking and loading docks。

Steel Pipe Safety Bollards - 1 3/4" O。D。Steel Pipe Safety Bollards - 1 3/4" O。D。 Bollards can be used both indoors and outdoors to protect work areas, racking and personnelsintered metal。 Powder coated safety yellow finish。 Steel Safety Bollards

These pipe-shaped bollards can be used both indoors and outdoors to protect work areas, rackingpowder metal and personnel。 Manufactured with welded steel construction, each unit is powder coated with safety yellow finish。 Molded rubber caps are removable on 4" and 5" diameter units to allow for concrete infill。 Steel caps are welded on the 1" diameter units。

Each base plate measures 8" x 8", on the 4。5 and 5。5 units (5" x 5" on the 1" units), and includes four pre-drilled mounting holes。 Companies can supply mounting kits and replacement caps when needed。

Chrome-Plated Steel Bollard Chrome-Plated Steel Bollard Post & Barriers。 Improve the image of your facility while protecting people and equipment with this heavy-duty Chrome Bollard。 Unit is made of Steel Chrome Bollard

Chrome is a highly attractive metal on anything, including a bollard。 Chrome-plated bollards will improve the image of your facility and at the same time protect people and equipmentpowder metal。 Every unit is made of steel and finished with attractive bright chrome plating for a clean fresh look。 A black plastic top cap is removable to fill the pipe with concrete for greater strength and stability。

Spring Loaded Steel Bollards

These metal bollards are designed to serve as a visual and audible warning to personnel。 They feature a unique spring-loaded design will bend and not break like rigid bollards。 This works to prevent damage to the bollard and to any equipment that may hit it。

Spring-loaded metal bollards can also be ordered with optional light/siren。 The light/siren unit includes sensitive switches that will activate a strobe light and warning siren when contacted。 The unit is highly energy efficient and operates with two 9V batteries (not included)。 Installation is simplethe light/siren slides directly into the top of the pipe。

2014年4月17日星期四

How To Choose An Appropriate Drill Bit Set

A power drill is what you will need for your small work around the house. These power drills can help bore the drill a hole into almost any material within the home say wood or glass or even special stained glass. What you need is the perfect drill bit set for your needs.
A drill bit set containing steel, spiral bits is not very expensive and is almost enough for drilling needs at home. However, they cannot drill into concrete or metal as they require special drill bits. These drill bit sets have drill bits ranging from size eight millimeters to thirty two millimeters sintered metal . Now if you need to have some concrete or masonry work done then you need the tungsten carbide drill sets as they have the required strength to drill holes through concrete. Mind you, they may be expensive than the regular steel bits.
Another advantage of a power drill is that they can work as screw drivers if you buy special hardened steel bits which have round shank on the top and the bit head is like a regular screwdriver. If you need to have the drill bits for use with nuts and fasteners then you will have to buy a drill bit set which has square base and round shaft. That square base fits into the fasteners and the round hole into the power drill.
For doing drilling into the glass or stained glass then you need to have drill bit set which contains diamond drill bits powder metal . These drill bits have diamond either bonded or sintered onto the drill tip which helps drill holes easily into glass. There are special diamond drill bits which can also drill holes into the porcelain tiles.
All said, the basic set of drill bits that you should have is the steel spiral drill bits for most of the home do it yourself kind of needs. For different requirements there are different types of drills and there is nothing which fits all.
Most of the manufactures of the drills usually have a set of instructions packaged along with the drill sets. That set of instructions is usually enough for the new person to accomplish the work sintered metal . However if you feel that they are not enough then make sure to get those from the internet. Even after reading those if you think you cannot do it yourself then you should spend some money and get an expert to do the task.

2014年2月19日星期三

彌月蛋糕推薦-台灣伴手禮:手工烘焙台灣茶

  台灣許多地方擁有得天獨厚的地台中伴手禮形與氣候,非常適合茶葉的栽種,因此茶業與台灣人的喜餅禮盒生活息息相關。位于苗栗市光複路的茶問屋,提供多種精選茶葉。茶問屋老板曾先生一家世代帶從事茶業,到曾先生已第四代了,現以精制茶葉的門市爲主。

  曾先生從台灣各地茶區引進各種茶葉,再加以烘焙精制,去蕪存菁,最後真空封包,每個步驟都是自己手工完成。曾先生提到,在烘焙茶葉時,最重要是溫度與時間的控制,每隔一段時間要翻攪茶葉,讓茶葉受熱均勻,也讓在茶葉裏面的水喜餅推薦分散出。

  店內的茶葉彌月蛋糕推薦主要以東方美人茶、各式精選烏龍茶、大禹嶺高冷茶以及精選冷泡茶等,每一種茶都提供試喝服務,可以在店內品嘗每種茶之後,挑選適合自手工喜餅己的茶帶回家。曾先生說,每個客人對茶的喜好的味道及濃度都不盡相喜餅品牌同,一樣的茶會因發酵時間、沖泡溫度、濃度等各項因素,影響茶的味道,所台中甜點蛋糕謂的好茶就是適合自己的茶。

台北油漆-油漆塗料挑選有絕招 專業人士支招四步走

大秦家居:油漆塗料在經過一段時間台北油漆儲存後,花紋粒子會下沈,上面會有一層保護膠水溶液。這層膠水溶液一般約占油漆塗料總量的1/4左右。凡質量好的油漆塗料,保護膠水溶液呈無色或微黃色,且較清晰;而質量差的油漆塗料,保護膠水溶液呈混濁態,明顯地呈現與花紋彩粒同樣的顔色,其主要問題不是油漆塗料的穩定性差,就是儲存期已過,不宜再使用。

方法與步驟

看水

多彩油漆塗台北油漆粉刷料在經過一段時間儲存後,花紋粒子會下沈,上面會有一層保護膠水溶液。這層膠水溶液一般約占油漆塗料總量的1/4左右。凡質量好的油漆塗料,保護膠水溶液呈無色或微黃色,且較清晰;而質量差的油漆塗料,保護膠水溶液呈混濁態,明顯地呈現與花紋彩粒同樣的顔色,其主要問題不是油漆塗料的穩定性差,就是儲存期已過,不宜再使用。

看漂浮物

凡質量好的油漆塗料,在保護膠水溶液的表面,通常是沒有漂浮物的,有時有極少的彩粒漂浮物,屬正常;但若漂浮物數量多,甚至有一定厚度,就不正常了。

看粒子度

取一透明的玻璃杯,盛入半杯清水,然後,取少許油漆塗料,放入玻璃杯的水裏攪動。凡質量好的油漆塗料,杯中的水仍清晰見底,粒子在清水中相對獨立,粒子的大小很均勻。

看銷售價

質量好的油漆塗料,均由正規生産廠家按配方生台北油漆工程産,價格適中;而質量差的油漆塗料,有的在生産中偷工減料,有的甚至是個人仿冒生産,成本低,銷售價格比質量好的油漆塗料便宜得多。

謝師宴-尾牙宴預訂慘淡:單位不犒賞 同事尾牙AA制


眼下,離春節還有一個多月,這在往各式茶會年,正是傳統尾牙季,宴會預訂火爆,是酒店吸金的大好時機。但昨日,導報走外燴訪了龍岩多家四星級酒店發現,今年的尾牙宴預訂慘淡。考慮眼下,離春節還有一個多月,這在往外燴服務年,正是傳統尾牙季,宴會預訂火爆,社區聯誼是酒店吸金的大好時機。

但昨日,導報走訪了龍岩多家四星級酒店發現,今年的尾牙宴預訂慘淡。考慮到形勢不好,至少有三家四星級酒店,放棄了年夜飯聖誕餐會項目。

生日Party家酒店經理苦惱地說:“今年每桌的標准一般在千雞尾酒會元出頭,比去年下調了數百元,但是預訂量仍比同期下滑了五六成。”

中山路附近一家四星級酒店的金經理介謝師宴紹,前晚,一些企業的尾牙宴已經開吃。“今年,除了民營企業,部門單位和國有企業,都不敢來了。”

金經理分析歐式外燴,尾牙宴遇冷,最主要是受中央“八項規定”等政策影響,同時,也跟今年的經濟形勢不好有很大關系。

不過,雖說單位不精緻餐盒辦尾牙宴了,但是傳統的節日,犒勞一下辛苦一年的自己和夥伴們,龍岩市民黃先生覺得很有必要。“節日嘛,就是圖個氣氛,到時候和同事一起,AA制聚餐。”黃先生說。

在國企上班的李小姐,在某單位上班的吳先生,在接受導報采訪時,也都透露打算和同事聚餐。

吳先生說,聽說有人辦家宴,他也准備在家弄點海鮮,炒幾個菜,犒勞下屬,“在家吃,便宜、衛生還好吃,而且不會鋪張浪費,也能聯絡感情,是不錯的選擇。”

地磅-水果店電子稱如何選擇 需要注意哪些要素


  :電子秤的産品種類比較多,在計數秤各個範圍中使用比較廣泛,例如電子收銀秤可用于小型超市及便利店、防水電子成則主要用于環境比較潮濕的場所,該産品具有防水效果,電子條碼秤的應用就更廣泛了。

  例如菜市場、水果店電子精密天平、超市、熟食店等都可以使用,也電子磅秤正因爲各種電子秤産品可以互相替換使用,導致很多用戶不裝如何鄭雪的選擇自己需要的産品。今天就水果店行業如何選擇但自稱産品爲例來給大家做下簡單的介紹。

  水果店經營的水果産品計重秤種類一般比較多,優勢價格需要隨時變化,這就導致操作員很難記住每種水果的價格,若是小型地磅水果攤,這就不需要那麽難爲了,只需要一款簡單扼可以承重的即可,一般選擇最平常的電子秤産品,若電子台秤是中小型的水果超市則就需要慎重考慮了,大師大家一般都會選擇電子計價秤産品,該産品屬于電子秤一類的,電子吊秤該産品反應靈敏,單就是操作起來比較麻煩,因爲有些水果一天可能要修改好幾次價格。

  有些老板比較不喜歡這種天天按水果價格來給客戶們稱量,這裏筆者就比較推薦大家使用電子條碼秤,該産品可以輸入價格進行編號,操作員只需要如數比那好即可,方便而且快速。有些超市是利用POS收銀機和電子條碼秤結合起來使用的,這種方法更是省力。