YDEQ-LJN-AW/S 壓力感應再生安裝組件

產品價格：	299/人民幣
最后更新：	2024-04-02 13:07:29
產品產地：	浙江其它地區
發貨地：	浙江其它地區 (發貨期：當天內發貨)
供應數量：	不限
有效期：	長期有效
最少起訂：	1
瀏覽次數：	40

公司基本資料信息

然海機電（嘉興）有限公司
盧士莉小姐經理
會員[家家通會員產品]
郵件1548757537@qq.com
手機13262578235
電話
傳真
地址上海市松江區八秀路18號

產品詳細說明

壓力感應再生安裝組件
FACE 6

FUNCTION

Port Designators

技術特性
CAD文件

技術數據

常見問題

備注

額外來源
Included Components
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Port Designators[ - ]
Modifiers Ports
D, D/S Ports CH, CR, VR: 3/4" NPTF;
L, L/S Ports CH, CR, VR: SAE 12;
W, W/S Ports CH, CR, VR: 3/4" BSPP;
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技術特性[ - ]
The pressure sensitive regenerative valve assembly allows a double-acting, single rod cylinder to be extended more rapidly using the same pump flow. To achieve this, oil from the rod end of the cylinder (CR) is added to the pump flow to the blind end (CH), increasing the rate of extension. It incorporates a pressure adjustable, counterbalance valve that provides a smooth transition when the load is engaged and pressure in the blind end rises to approximately 25% of the set point of the counterbalance valve, at which time the regenerative flow decreases smoothly until rod end flow is fully diverted to tank (VR). Full pump pressure is then applied to the blind end area developing maximum force.

Capacity refers to pump flow or regeneration flow, which is the flow coming out of the rod side of the cylinder, whichever is larger
This valve assembly will not prevent a load from extending the cylinder. The best way to prevent this is to use a vented counterbalance valve mounted directly to the rod end of the cylinder. A non-vented valve will not work.
The ideal cylinder ratio to use with regeneration is 2:1, the blind end area being twice what the annular area at the rod end. A 2:1 cylinder in regen gives the same speed extending as retracting.
Cylinders with ratios above 2:1 (large rods) will function correctly but with less speed gain. Intensification needs to be considered with higher ratios. A 2:1 cylinder may generate a pressure on the rod side that is twice system pressure unless steps are taken to limit it.
Cylinders with ratios as low as 1.5:1 (small rods) may work if care is used in designing the application. As the rod diameter gets smaller in relation to the piston diameter the flows increase dramatically and the force available drops accordingly.
Cylinders with ratios below 1.5:1 are unlikely to result in a working regenerative application because of the small area of the rod and the high flows that would be generated.
When a cylinder is in the regenerative mode the only force available is the pressure working on the rod area.
The counterbalance valve in this assembly is not acting as a counterbalance valve; it is acting as a pressure sensitive unloading valve. The setting, however, relates to the counterbalance world. With the CB*A set at 4000 psi (280 bar), the circuit will start to come out of regen with about 1000 psi (70 bar) of blind end pressure and will then start to gain force somewhere above 1400 psi (90 bar).
Regeneration is only possible in the extend direction.

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