Video of Alloy Opener Perforation
Update：2019-03-30 14:30:00
Usage points: It can be operated according to the following speed comparison table. Continuously adding water or coolant during operation can improve work efficiency and prolong its service life.
Bimetal alloy speed comparison table (number of turns in 1 minute)
| Size | Low-carbon steel Structural steel | Carbon steel Gear steel | High-carbon steel bearing steel | High alloy tool steel High speed steel |
| Φ15mm-Φ20mm | 796-1273 | 637-1194 | 557-876 | 478-637 |
| Φ21mm-Φ25mm | 637-1019 | 509-955 | 446-701 | 382-510 |
| Φ26mm-Φ30mm | 530-849 | 425-796 | 372-584 | 318-425 |
| Φ31mm-Φ35mm | 455-728 | 364-682 | 318-500 | 273-364 |
| Φ36mm-Φ40mm | 398-637 | 318-597 | 279-438 | 239-318 |
| Φ41mm-Φ45mm | 354-566 | 283-531 | 248-389 | 212-283 |
| Φ46mm-Φ50mm | 318-510 | 255-478 | 223-350 | 191-255 |
| Φ51mm-Φ55mm | 290-463 | 231-434 | 223-318 | 203-232 |
| Φ56mm-Φ60mm | 265-425 | 212-398 | 203-292 | 159-212 |
| Φ61mm-Φ65mm | 245-392 | 196-367 | 171-269 | 147-196 |
| Φ66mm-Φ70mm | 227-364 | 182-341 | 159-250 | 136-182 |
| Φ71mm-Φ75mm | 212-340 | 170-318 | 149-234 | 127-170 |
| Φ76mm-Φ80mm | 199-318 | 159-299 | 139-219 | 119-159 |
| Φ81mm-Φ85mm | 187-300 | 150-281 | 131-206 | 112-150 |
| Φ86mm-Φ90mm | 177-283 | 142-265 | 124-195 | 106-142 |
| Φ91mm-Φ95mm | 168-268 | 134-251 | 117-184 | 101-134 |
| Φ96mm-Φ100mm | 159-255 | 127-239 | 111-175 | 96-127 |
| Φ101mm-Φ105mm | 152-243 | 121-227 | 106-167 | 91-121 |
| Φ106mm-Φ110mm | 145-232 | 116-217 | 101-159 | 87-116 |
| Φ111mm-Φ115mm | 138-222 | 111-208 | 97-152 | 83-111 |
| Φ116mm-Φ120mm | 133-212 | 106-199 | 93-146 | 80-106 |
| Φ121mm-Φ125mm | 127-204 | 102-191 | 89-140 | 76-102 |
| Φ126mm-Φ130mm | 122-196 | 98-184 | 86-135 | 73-98 |
| Φ131mm-Φ135mm | 118-189 | 94-177 | 83-130 | 71-94 |
| Φ136mm-Φ140mm | 114-182 | 91-171 | 80-125 | 68-91 |
| Φ141mm-Φ145mm | 110-176 | 88-165 | 77-121 | 66-88 |
| Φ146mm-Φ150mm | 106-170 | 85-159 | 74-117 | 64-85 |
| Φ151mm-Φ155mm | 102-164 | 82-154 | 72-113 | 62-82 |
| Φ156mm-Φ160mm | 100-159 | 80-149 | 70-109 | 60-80 |
| Φ161mm-Φ165mm | 97-154 | 77-145 | 68-106 | 58-77 |
| Φ166mm-Φ170mm | 94-150 | 75-141 | 66-103 | 56-75 |
| Φ171mm-Φ175mm | 91-146 | 73-136 | 64-100 | 55-73 |
| Φ176mm-Φ180mm | 88-142 | 71-133 | 62-97 | 53-71 |
| Φ181mm-Φ185mm | 86-138 | 69-129 | 60-95 | 52-69 |
| Φ186mm-Φ190mm | 84-134 | 67-126 | 59-92 | 50-67 |
| Φ191mm-Φ195mm | 82-131 | 65-122 | 57-90 | 49-65 |
| Φ196mm-Φ200mm | 80-127 | 64-119 | 56-88 | 48-64 |
| Size | Stainless steel Die steel | Heat resistant steel High temperature alloy steel | Non-ferrous metals |
| Φ15mm-Φ20mm | 318-398 | 238-398 | 955-1274 |
| Φ21mm-Φ25mm | 255-446 | 191-318 | 764-1019 |
| Φ26mm-Φ30mm | 212-372 | 159-265 | 637-849 |
| Φ31mm-Φ35mm | 182-318 | 136-227 | 546-728 |
| Φ36mm-Φ40mm | 159-279 | 119-199 | 478-637 |
| Φ41mm-Φ45mm | 142-248 | 106-177 | 425-566 |
| Φ46mm-Φ50mm | 127-223 | 96-159 | 382-510 |
| Φ51mm-Φ55mm | 116-203 | 87-145 | 347-463 |
| Φ56mm-Φ60mm | 106-186 | 80-133 | 318-425 |
| Φ61mm-Φ65mm | 98-171 | 73-122 | 294-392 |
| Φ66mm-Φ70mm | 91-159 | 68-114 | 273-364 |
| Φ71mm-Φ75mm | 85-149 | 64-106 | 255-340 |
| Φ76mm-Φ80mm | 80-139 | 60-100 | 239-318 |
| Φ81mm-Φ85mm | 75-131 | 56-94 | 225-300 |
| Φ86mm-Φ90mm | 71-124 | 53-88 | 212-283 |
| Φ91mm-Φ95mm | 67-117 | 50-84 | 201-268 |
| Φ96mm-Φ100mm | 64-111 | 48-80 | 191-255 |
| Φ101mm-Φ105mm | 61-106 | 45-76 | 182-243 |
| Φ106mm-Φ110mm | 58-101 | 43-72 | 174-232 |
| Φ111mm-Φ115mm | 55-97 | 42-69 | 166-222 |
| Φ116mm-Φ120mm | 53-93 | 40-66 | 159-212 |
| Φ121mm-Φ125mm | 51-89 | 38-64 | 153-204 |
| Φ126mm-Φ130mm | 49-86 | 37-61 | 147-196 |
| Φ131mm-Φ135mm | 47-83 | 35-59 | 142-189 |
| Φ136mm-Φ140mm | 45-80 | 34-57 | 136-182 |
| Φ141mm-Φ145mm | 44-77 | 33-55 | 132-176 |
| Φ146mm-Φ150mm | 42-74 | 32-53 | 127-170 |
| Φ151mm-Φ155mm | 41-72 | 31-51 | 123-164 |
| Φ156mm-Φ160mm | 40-70 | 30-50 | 119-159 |
| Φ161mm-Φ165mm | 39-68 | 29-48 | 116-154 |
| Φ166mm-Φ170mm | 37-66 | 28-47 | 112-150 |
| Φ171mm-Φ175mm | 36-64 | 27-45 | 109-146 |
| Φ176mm-Φ180mm | 35-62 | 27-44 | 106-142 |
| Φ181mm-Φ185mm | 34-60 | 26-43 | 103-138 |
| Φ186mm-Φ190mm | 34-59 | 25-42 | 101-134 |
| Φ191mm-Φ195mm | 33-57 | 24-41 | 98-131 |
| Φ196mm-Φ200mm | 32-56 | 24-40 | 96-127 |