- Contact Person : Ms. Wei Sunny
- Company Name : Excellent (Tianjin) International Trade Co., Ltd.
- Tel : 86-22-60877961
- Fax : 86-22-83946881
- Address : Tianjin,Tianjin,Rm 1603,Block C, Haojing International,South of Hongqi Road, Nankai District, Tianjin PRC.
- Country/Region : China
- Zip : 300381
Helical blade for mine drilling machinery
OD80-2000 wearable and stainless steel available. tapered OD/ID, variable pitch, notched flight available .
Type: endless (continuous) / segment (sectional) / tapered diameter / variable pitch / notched / stainless / wearable steel etc.
Usage: screw conveyor / harvester / mixer / seperation equipment / sewage treatment equipment / waster water treatment / piling / ground drilling / ice drilling / rig etc.
Any screw flight size coming in the range of the following table can be supplied.
Cold rolled continuous screw flight Material: carbon steel
inner plate thickness(mm) | Min ID (mm) | Max OD(mm) | Max (OD-ID)/2 no more than (mm) | Ratio of Pitch and OD | Ratio of OD and ID |
3 | 20 | 500 | 165 | 0.6-1.3 | 4.0 |
3.5 | 20 | 500 | 165 | 0.6-1.3 | 4.0 |
4.5 | 28 | 500 | 165 | 0.75-1.3 | 4.0 |
5 | 28 | 500 | 165 | 0.8-1.3 | 4.0 |
6 | 40 | 500 | 165 | 0.8-1.2 | 4.0 |
Cold rolled segment equal edge thickness screw flight Material: Carbon steel, wearable steel and stainless steel
(mm) Pitch | (mm) Min ID | (mm) Max OD | Ratio of ID and OD(ratio) |
| (mm)Thickness |
60~100 | 20 | 480 | 0.25 |
| 3~16 |
100~150 | 30 | 480 | 0.25 | 3~18 | |
150~200 | 50 | 520 | 0.33 | 3~20 | |
200~250 | 60 | 630 | 0.3 | 3~25 | |
250~300 | 65 | 670 | 0.25 | 3~25 | |
300~350 | 90 | 900 | 0.3 | 3~30 | |
350~400 | 90 | 950 | 0.25 | 3~30 | |
400~450 | 95 | 950 | 0.25 | 3~30 | |
450~500 | 135 | 1150 | 0.33 | 3~35 | |
500~550 | 150 | 1200 | 0.3 | 3~40 | |
550~650 | 150 | 1200 | 0.3 | 3~40 | |
650~750 | 200 | 1200 | 0.3 | 3~40 | |
750~850 | 200 | 1250 | 0.28 | 3~40 | |
850~900 | 250 | 1250 | 0.3 | 3~40 |
Helical blade for mine drilling machinery
