我們公司新產品--VD型手拉葫蘆，較普通產品具有以下特點：
1.整體機身采用高 強度板材拉伸沖壓而成，強度高，左右墻板、外墻板、起重輪帶整體軸承，運轉靈活，手拉力暢快輕盈；
2.內部齒輪傳動件均采用合金鋼和嚴格的滲碳熱處理工藝，相比傳統工藝增加了齒輪的抗耐磨性；
3.配置長軸止退墊圈限位裝置預防葫蘆鏈條下降到底部時，鏈輪和螺母鎖死，而導致剎車失靈，產生an全問題；
4.沖壓式導鏈板，使鏈條導向更順暢，防護效果好；
5.手罩殼采用卷邊加強筋設計，外觀精美，整體機身強度更高，增加手拉鏈運行順暢度；
6.采用高 強度G80辰力專 利鏈條。
Our company’s latest products.VD Series chain block.Compared with common products，they have the following characteristis.
1. left and right wall panels，outer wall panels，lifting wheel with overall bearing，flexible operation，smooth and light hand tension；
2. The internal gear transmission parts are made of 20CrMnTi alloy steel and strict carburizing heat treatment process；
3. Equipped with long shaft stop back washer limit device to prevent the chain down to the bottom，sprocket and nut locked，resulting in brake failure and safety problems；
4. Stamping chain guide plate，make the chain guide more smoothly，better protection；
5. The hand cover shell adopts the design of rolled edge reinforcement，higher overall body strength，increasing the smooth operation of the hand chain；
6. Use high strength T8 European standard lifting chain.
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