具體問題具體分析，如何選擇取決空壓機壓力和實際用途，昆明挖機改潛孔鉆。鉆孔是分深度和實際硬度的。高風壓速度快，油耗高，深度深，昆明挖機改潛孔鉆，采購成本大。低風壓速度慢，耗油小，昆明挖機改潛孔鉆，深度淺，相對便宜。 潛孔鉆機： 　　潛孔鑿巖的實質，是在鑿巖過程中使沖擊器潛入孔內，以減小由于釬桿傳遞沖擊功所造成的能量損失，從而減小孔深對鑿巖效率的影響。潛孔鑿巖的鑿巖設備是潛孔鉆機，我國地下礦山常用的有YQ-80、YQ-100及QZ-165等型號，在堅固性系數f=8?14的礦巖中鉆鑿孔徑為80～165毫米的深孔，能獲得較高的鑿巖速度。

挖改鉆_挖機改鉆機_挖改潛孔鉆_挖機改鑿巖機 巖都YD120挖改液壓鑿巖機 巖都YD120挖改液壓鑿巖機采用自主研發的***能HD45鑿巖機，打孔范圍27mm-64mm；改裝方便，現場裝卸，便捷迅速；鑿巖速度每分鐘1-3米，YD120具有綜合能耗低、能源利用高等優點；具有很高的性價比。是您炮眼鉆孔、城市改造、房屋地基、巷道、隧道掘進等領域的使用***。 產品用途 各類巖石、鋼筋混凝土等爆破孔的鉆進。 應用領域 工程領域：土石方工程、拆除工程、路橋工程、隧道掘進工程、（非）開挖工程、水利工程等。 采礦領域：石材開采（大理石、花崗巖、砂巖、石灰巖）、金屬礦開采、煤礦開采、砂石開采等。

如果是單行走前進無力后退正常，可以考慮故障為： 1、前進側操縱桿（先導閥）故障，二次輸出壓力低； 2、行走主閥芯單向卡滯，換向量?。?3、行走馬達平衡閥卡滯，單向換向量??； 4、行走馬達配流盤單側磨損泄漏； 5、中心回轉接頭處對應主管路密封失效泄漏。 如果是雙行走前進無力后退正常，發生概率較低，可以是以上故障點的雙倍問題。

昆明悍之駿工程機械有限公司坐落于美麗的“春城”昆明市，是一家專業生產、銷售挖掘機前端屬具的高新技術企業。在挖掘機市場競爭日益激烈的目前，為了能夠幫助廣大用戶實現挖掘機“一機多用、一機多能”，打破挖機功能單一的市場格局，公司在借鑒國內外先進技術和理念的同時，不斷創新，致力于擴展挖掘機的應用領域，替代各種功能單一、價格昂貴的專用機械，使工程施工具備節能、環保、效率更高、便捷和低成本等優勢，滿足未來施工需求。
唯強悍、敢駿馳，“悍駿”品牌，為本公司相當為知名的屬具品牌，多年來，該品牌已得到了廣大用戶一致好評！目前公司主營產品類別有:挖斗、破碎錘、挖機改鉆機、抓木（石）器、螺旋鉆機、移動破碎斗、移動篩分斗、銑挖機、振動夯、快速連接器、液壓剪等多種前端屬具?！肮び破涫拢叵壤淦鳌保恳患倬撸瑥倪x材到工藝制作，我們均嚴把質量關，保證每一件屬具到用戶手中都能效率更高使用。所以目前無論是一般的建筑施工現場，道路建設與養護、園林綠化，建筑物的拆除，廢舊物資的拆除、分揀、搬運，還是在地震、泥石流、洪澇等自然災害應急搶險工地，我們都能為您提供完美的產品及解決方案。

企業文化：自強不息，厚德載物；質量為本、共謀發展。
營銷宗旨：誠信立人、品質立身。
經營理念：與客戶共享成功、與員工共謀發展、與社會共同進步。
Kunming hanzhijun Construction Machinery Co., Ltd. is located in Kunming City, a beautiful “Spring City”. It is a high-tech enterprise specializing in the production and sale of excavator front-end attachments. In today's increasingly fierce competition in the excavator market, in order to help the users realize the "one machine multi-purpose, one machine multi-function" of the excavator, and break the single market pattern of the excavator function, the company draws on the advanced technology and concept at home and abroad, Constantly innovating, we are committed to expanding the application field of excavators, replacing various special-purpose machines with single functions and high prices, so that the engineering construction has the advantages of energy saving, environmental protection, high efficiency, convenience and low cost to meet future construction needs.
Weiqiang, Dajun Chi, "Qi Jun" brand, is the company's most well-known accessory brand. Over the years, the brand has been well received by users! At present, the company's main product categories are: bucket, breaker, digging machine to drill, grab wood (stone), auger, mobile crusher, mobile sieve bucket, milling machine, vibrating jaw, quick connector, hydraulic Cut a variety of front end attachments. "When a worker wants to do something good, he must first sharpen his tools." Every piece of attachment, from material selection to craft production, we strictly control the quality and ensure that each piece can be used efficiently in the hands of users. So today, whether it is a general construction site, road construction and maintenance, landscaping, demolition of buildings, demolition, sorting and transportation of waste materials, or natural disaster emergency sites such as earthquakes, mudslides, floods, etc., we can To provide you with the perfect products and solutions.

Corporate culture: self-improvement, ethics and morality; quality-oriented, and seek common development.
Marketing purposes: integrity and quality, standing.
Business philosophy: share success with customers, seek common development with employees, and make progress together with society.