技术参数
DTH Hammer Description | Bit shank style | Thread | Piston Case | Effective length mm | Weight kg | Rec.hole size mm | Working pressure bar | Applicable rock type | |
shank style | Foot valve | API Pin | D x L mm x mm | ||||||
| 2.5" | CWG76 | With | T42x10x2 | φ71x725 | 874 | 18.5 | 76-85 | 6-15 | High-Power style： Medium to hard rock |
| 3.5" | DHD3.5 | Without | φ80x729 | 853 | 22 | 90-105 | 6-15 | High frequency/ energy-efficient Soft to medium rock | |
| DHD3.5 | With | φ80x780 | 907 | 25.5 | High-Power style： Medium to hard rock | ||||
| 4" | DHD340A | Without | | φ99x758 | 912 | 39 | 108-130 | 6-15 | High frequency/ energy-efficient Soft to medium rock |
| Mission40 | 931 | 39.5 | |||||||
| DHD340A\ COP44 | With | φ99x820 | 978 | 43 | High-Power style： Medium to hard rock | ||||
| 5" | DHD350R | Without | | φ126x830 | 976 | 68 | 134-152 | 6-25 | High frequency/ energy-efficient Soft to medium rock |
| Mission50 | |||||||||
| QL50 | 956 | 66 | |||||||
| DHD350R\ COP54 | With | φ126x910 | 1119 | 71 | High-Power style： Medium to hard rock | ||||
| 6" | DHD360R | Without | | φ144x967 | 1163 | 120 | 155-200 | 6-25 | High frequency/ energy-efficient Soft to medium rock |
| Mission60 | φ144x907 | 1085 | 106 | ||||||
| QL60 | 1107 | 108 | |||||||
| DHD360R\ COP64 | With | φ140x1077 | 1276 | 108 | High-Power style： Medium to hard rock | ||||
| 8" | DHD380R | Without | | φ180x1045 | 1312 | 188 | 200-305 | 6-25 | High frequency/ energy-efficient Soft to medium rock |
| Mission80 | 1291 | 186 | |||||||
| QL80 | 1312 | ||||||||
| DHD380R\ COP84 | With | φ180x1085 | 1353 | 194 | High-Power style： Medium to hard rock | ||||
| 10" | DHD110 | With | φ220x1257 | 1683 | 320 | 240-318 | 17-24 | High-Power style： Medium to hard rock | |
| 12" | DHD112 | With | φ275x1542 | 1983 | 675 | 311-445 | 17-24 | High-Power style： Medium to hard rock | |