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Fixed Heads

Reliability, flexibility and serviceability are engineered into each Fixed Head. The Fixed Head designs are light weight and low profile, reducing shock loads and heavy wear while reaming. Cuttings slots and holes are maximized to prevent cuttings build-up. Our fixed reamer head are built and fabricated with latest welding techniques. Reamer head are designed and manufactured for flexibilities for interchangeable stems and saddles. All roller cutters and saddles are replaceable and could easily mount with exact placements.  Silex DTS’ Fixed Heads are customized for each customer’s raisebore applications. 

Head series Pilot size Recommend head diameter range
FR9 9” 1m to 1.4m
FR10 9 7/8” 1.2m to 1.8m
FR11 11” 1.5m to 2.4m
FR12 12 1/4” 2.4m to 3.5m
FR13 13 3/4” 3m to 4.5m

Modular Heads

Silex DTS has designed new raise bore head reamers that simplifies roller cutter placements with enhanced diameter scalabilities.  The multiple stage head reamer has a base, with the appropriate stem, and is designed to cover a range of reaming diameters.  The wings are extensions which allows customers to selectively ream to a desired diameter.  Modular wing allows better roller cutter placements, smaller base footprint, and assembly simplification to achieve diameter requirements.  Modular heads are simple, versatile, and flexible beyond other standard reamer heads. 

Head series type Pilot size No. of Cutters On Base Recommend assembly head diameter range
MR11B 11” 4 1.5m to 2.4m
MR12B 12 1/4” 4 2m to 3m
MR12C 12 1/4” 6 2.4m to 3.5m
MR13D 13 3/4” 8 3m to 4m
MR13E 13 3/4” 10 3.3m to 4.5m
MR15F 15” 12 4m to 5m
MR15G 15” 14 4.5m to 5.8m
MR16G 16” 14 5m to 6.5m
MR17H 17 1/2” 16 6m to 8m

Stem

Silex DTS raisebore tools include stems for the reaming heads. Sliex Engineers designed and manufactures stems with two main purpose; safety and performance. The superior strength steel alloy 4330VMOD, was the preferred choice to make the stems.
Designed with large diameter flange and manufactured from a single piece forging, our Engineers developed the best stems in the industry. 

Saddles

Silex DTS has several saddle configurations, each with a saddle dowel pin located. The saddles are made from high yield strength steel casting alloy. The reaming heads are CNC machined for precise location of dowel pins. Simple saddle-to-head mounting reduces installation time in the field and maintenance cost. Saddles could be configured for different types of roller cutters and mounted with welds or bolts.