
Rock Reamers 4 inch to 48 inch Pilot Hole Reamer most vertsatile,
cost effective hole opener for HDD
Trenchless Directional Drilling Horizontal Boring Wireline Steering
Services Technology Software companies
No more redrills due to cutters backing off downhole.
The Rock Reamer is the most vertsatile, cost effective hole opener
for HDD. The unique design minimizes on-site inventory, lowering
cost.
The Rock Reamer cuts downtime as easily as it cuts rock.
No more downtime waiting on new tools/cutters when the need to push
ream occurs. It pushes or pulls with the same body and cutters, and
one body opens to six sizes.
Advantages:
1. Stronger than other hole openers.
2. Increased on-bottom rotating time, minimizes cutter cost and
trip time.
3. Cutters and arms are easily changed in the field without torches
and welders.
Rock Reamer Specifications
BODY
BODY | MIN. PILOT HOLE | CONNECTION | WEIGHT | LENGTH |
R4 | 4 1/2" | 2 7/8" IF B X B | 135 LBS. | 42" |
R6 | 6" | 3 1/2" IF B X B | 346 LBS. | 52" |
R6-20 | 20" | 4 1/2" IF B X B | 1565 LBS. | 62" |
R8 | 8 1/2" | 4 1/2" IF B X B | 730 LBS. | 65" |
R17 | 17 1/2" | 7 5/8" REG B X B | 1915 LBS. | 65" |
R26 | 26" | 7 5/8" REG B X B | 2669 LBS. | 65" |
R36 | 36" | 7 5/8" REG B X B | 2569 LBS. | 65" |
R42 | 42" | 7 5/8" REG B X B | 3290 LBS. | 65" |
R48 | 48" | 7 5/8" REG B X B | 3900 LBS. | 65" |
CUTTERS
BODY | NO. OF CUTTER | PILOT HOLE | CONNECTION | OPENING RANGE | |||||
R4 | 3 | 4 1/2" | 2 7/8" IF B X B | 8 1/2" | 10" | 12" | |||
BODY | NO. OF CUTTER | PILOT HOLE | CONNECTION | OPENING RANGE | |||||
aa | bb | cc | dd | ee | |||||
R6 | 3 | 6" | 3 1/2" IF B X B | 12" | 14" | 16" | 18" | 20" | |
R6-20 | 5 | 20" | 4 1/2" IF B X B | 24" | 26" | 28" | 30" | 32" | |
BODY | NO. OF CUTTER | PILOT HOLE | CONNECTION | OPENING RANGE | |||||
A | B | C | D | E | F | ||||
R8 | 3 | 8 1/2" | 4 1/2" IF B X B | 16" | 18" | 20" | 22" | 24" | 26" |
R17 | 3,4 | 17 1/2" | 7 5/8" REG B X B | 24" | 26" | 28" | 30" | 32" | 34" |
R26 | 3,5 | 26" | 7 5/8" REG B X B | 32" | 34" | 36" | 38" | 40" | 42" |
R36 | 3,5 | 36" | 7 5/8" REG B X B | 42" | 44" | 46" | 48" | 50" | 52" |
R42 | 4,5,7 | 42" | 7 5/8" REG B X B | 48" | 50" | 52" | 54" | 56" | 58" |
R48 | 4,5,7 | 48" | 7 5/8" REG B X B | 54" | 56" | 58" | 60" | 62" | 64" |
CUTTERS AND WEIGHTS
R4 | R6 | A | B | C | D | E | F | |||||||
8-1/2" | 10" | 12" | aa | bb | cc | dd | ee | |||||||
MT | 4 | 8 | 12 | 15 | 23 | 31 | 41 | 56 | 32 | 47 | 64 | 80 | 102 | 128 |
TCI | 6 | 10 | 16 | 21 | 30 | 42 | 55 | 73 | 41 | 61 | 79 | 100 | 126 | 155 |
FRA | 5 | 7 | 9 | 20 | 24 | 28 | 35 | 37 | 50 | 55 | 68 | 75 | 88 | 101 |
Formation Removal Chart
Use this chart to calculate the approximate cubic feet of material removed per foot drilled. To calculate the total cubic yards of material to be removed, multiply the cubic feet by the total footage and divide by 27.
How to Change Cutters
1. Place the correct size cutter into the pocket.
2. Slide the arm into place, securing the cutter.
3. Tighted the three bolts according to chart. (see below)
4. Tighten the lock screws according to chart. (see below)
5. Repeat for each cutter.
SIZES | ALLEN WRENCH | TORQUE | LOCK SCREW / TORQUE |
R8 thru R-48 | 1" | 2000-2500 ft/lb | 5/8" / 400-500 ft/lb |
R4 | 5/8" | 400-500 ft/lb | 5/16" / 40-60 ft/lb |
R6 | 7/8" | 1000-1200 ft/lb | 3/8" / 100-150 ft/lb |
For more information, please contact:
ROSCHEN GROUP LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ;
ROSCHEN GROUP
ROSCHEN GROUP
ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.
ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.
ROSCHEN Manufactory PROCESS
ROSCHEN Sales Value Growing Up!
ROSCHEN'S MISSION
1. Strive to create and supply Best quality products for the industry that last longer than the average products.
2. Provide excellent service for our clients. 24 hour-7 days /week schedule to get our clients what they need – FAST.