Sterling Hammer
Sterling Hammer is an existing most powerful hammer in the same class!
/ Job Applications
Significantly wider offering & 4 market segments enable further success
Sea Side
River Side
Sand Field
With Auger
Specification
Sterling Hammer
| Model | Unit | SH25 | SH30 | SH40 |
|---|---|---|---|---|
| Excavator | ton | 20~25 | 28~36 | 36~50 |
| Hammer Weight | Kg/Lbs | 1520 / 3,550 | 1,810 / 3,990 | 2,050 / 4,519 |
| Extension Boom Weight | Kg/Lbs | 520 / 1,146 | 610 / 1,345 | 700 / 1,543 |
| Setting Pressure | bar / PSI | 300 / 4,350 | ||
| Oil Flow | lpm / gpm | 150~170/40~45 | 180~220/48~58 | 240~260/63~69 |
| Centrifugal Force | kN / Tons | 530/58 | 580/64 | 940 / 103 |
| Frequency | RPM | 3,300 ~ 3,600 | 2,800 ~ 3,600 | 3,000 ~ 3,250 |
| Rotation | deg | 360 ̊ | ||
| Tilt angle | deg | 90 ̊ | ||
| Jaw open | mm / inch | 65/2.6 | ||
| Dimension (A x B x C) | mm | 1,094 x 636 x 1,884 | 1,094 x 636 x 1,884 | 1,200 x 900 x 1,950 |
| inch | 43.1 x 25.0 x 74.2 | 43.1 x 25.0 x 74.2 | 47.2 x 35.4 x 76.8 | |
※ Specifications above are subject to change without notice.
/ Strong points of Sterling Hammer
Faster and more powerful
- Faster penetration and puiling up than other vibratory hammers thanks to bigger and centered eccentric weight
Easy maintenance
Low maintenance cost
- Concise structure of components
Rotational mounting
- 360 hydraulic rotation system
Rigid and durability
- Durable structure and rigid rubber cushion
Easy installation & operation
- Concise operation electric kits
Comparison and type of Vibratory hammers
“N” Company type
Sterling Technology
| “N” Company type | Sterling Technology | |
|---|---|---|
| Feature | Twist correction hole in the middle of the body Free tilt clamp Arm & Jaw type, indirect clamp cylinder structure Free revolving mounting adapter | Twist correction hole on the mounting adapter Non tilt clamp. Arm & Jaw type clamp. Hydraulic revolving mounting adapter |
| Strong point | Low failure rate/Long life time of clamp cylinder | Low failure rate/Long life time of clamp cylinder One class higher vibratory power than “D” Company |
| Weak point | Low vibratory power Difficult to interlock sheet piles due to free tilt structure Sheet pile is likely to be bent due to free tilt structure Expensive | Non tilt structure – Need an assistant of operator |
Sterling Hammer’s feature
Sterling Hammer’s advantage
Horizontal Structure
Sterling Hammer
Vertically Structure
Conventional Hammer
| Sterling Hammer | Traditional Vibro hammer |
|---|---|
| Transverse cushion array minimize a chance of bending of hammer and piles./2 | Longitudinal cushion array causes bending of hammer and pile which leads to damage to cushions and piles. |
Sterling Hammer’s advantage : 15% higher efficiency than the same class hammer
Conventional Hammer
15% higher efficiency
Sterling Hammer
| Solution | How to do & Effect |
|---|---|
| Centered double eccentric weights | Unique design of centered double eccentric weights allow better durability of bearings |
Conventional hammer’s bearings
Sterling hammer’s bearings
| Conventional hammer’s bearings | Sterling hammer’s bearings | |
|---|---|---|
| Distance from axis A | A=B+C, B > C | A=B+C, B = C |
| Center of gravity | B and C ≠ A/2 | B and C = A/2 |
| Weight distribution | “Bearing B” has more weight than “bearing A”. | Weight of “A bearing” and “B bearing” is the same. |
| Effect | Life time of both “A bearing” and “B bearing” is shorten due to imbalance of their weight. | Longer life time of both “A bearing” and “B bearing” |
Summary of Sterling Hammer’s selling point
| Feature | How to do & Effect |
|---|---|
| Transverse cushion array |
|
| Most powerful hammer in class |
|
| Centered double eccentric weights |
|
| Low maintenance cost |
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