GOMACO Corporation pioneered the development of the first cylinder finisher over 45 years ago. The late Harold W. Godbersen, founder of GOMACO Corporation, developed and manufactured a bridge deck finisher to meet the growing needs for bridge markets. Considered to be a milestone, the cylinder finisher made GOMACO a recognized name in the construction industry.
Today, GOMACO cylinder finishers are designed for versatility with the C-450, SL-450, C-650-S, C-650-F, SL-650, C-750, SL-750, and CF-790. They are easy to operate and save time and labor costs on all your concrete finishing projects.
They are job-proven cylinder finishers with multi-application capability for bridge decks, streets, highways, building slabs, parking lots, waste treatment plants, airport aprons, tennis courts and almost any concrete slab.
Pin-connected sections provide fast setup time and the versatility to fit exact job requirements. C-450 frame widths are from 12 ft. (3.66 m) to 120 ft. (36.58 m) and finishing widths are from 9 ft. (2.74 m) to 117 ft. (35.66 m). C-750 frame widths range from 12 ft. (3.66 m) to 160 ft. (48.77 m) and finishing widths are from 8 ft. (2.44 m) to 156 ft. (47.56 m). C-650-S and C-650-F frame widths are from 24 ft. (7.32 m) to 56 ft. (17.07 m) and finishing widths are from 19 ft. (5.79 m) to 51 ft. (15.54 m).
Bridge Deck Finishing
GOMACO has the proven bridge deck finishers. All-welded steel construction provides the sturdiest, yet most lightweight finishers on the market.
Strictest Tolerances
GOMACO finishers assure you less than one-eighth in. (3 mm) tolerance in 12 ft. (3.66 m) while finishing high-slump or low-slump concrete.
Crown Adjustment
GOMACO offers an optional hydraulic power transition adjuster (PTA) for on-the-go crown elevation changes made from the operator’s console. PTAs may be installed at pin-connected points.
Slope and Canal Finishing
Because no two canals are alike...GOMACO equipment is “Preferred” for the world’s waterways and any type of slope project. Slope and canal trimmers and finishers include the SL-450, SL-650, SL-750, and CF-790 series. They are designed for fast trimming and finishing, strict tolerances, even on 1:1 (45 degree) slopes, with a minimum of handfinishing.
GOMACO finishing widths range from 8 ft. (2.44 m) to 76 ft. (23.16 m) with all-welded steel, pin-connected frame extensions. Extensions are available in 2, 4, 8, 12, and 16 ft. (.61, 1.22, 2.44, 3.66, and 4.88 m) sections.
Finishing is accomplished with a 10 in. (254 mm) diameter, 48 in. (1219 mm) long cylinder. An independent hydraulic bogie drive on each end of the unit provides variable travel speeds up to 31 fpm (9.45 mpm).
Flat Slab Finishing
If the project calls for street or airport paving, parking lots, building slabs, tennis courts or almost any other type of flat slab, the GOMACO series of finishers are ideal. The finishers include the C-450, C-650-S, C-650-F and C-750.
Consolidates and Finishes
GOMACO finishers incorporate a consolidation pass in the finishing concept. This provides additional compaction and eliminates spalling and voids to meet the most rigid engineering inspection.
More Production – Less Labor
These finishers will help you obtain a compacted and finished slab at the average rate of 2,000 sq. ft. (186 sq. m) per hour with the single cylinder and 3,500 sq. ft. (325 sq. m) per hour with the double cylinder.
Troweling Time
The GOMACO finishers allow you to pour building slabs with lower slump concrete, enabling the crew to get on the slab with power trowels shortly after the slab is finished. The finish that is left will reduce your troweling time.
Running Forms
The finisher can run on forms for paving streets or building slabs. When pouring building slabs in bays, the outside bays can be poured on forms. The inside bay can be poured by laying a square rail on the outside bays and pouring in between. The same principle is used in street paving with slipformed curb and gutter. The curb and gutter is first placed on each side of the street to be paved. The street is then paved between the curbs by running on a rail placed in the gutters or on neoprene wheels. Paving in this fashion leaves 6 in. (152 mm) or less in handfinishing at each edge of the street.
Transportability
Optional transport axles and towing tongue permit the finisher to be towed on the job site. For over-the-road travel, it can be loaded on a flatbed truck or loaded in sections and assembled to the exact width at the jobsite.
GOMACO Finishers Provide Versatility
Rotary Stinger Vibrator Rotates 180 Degrees
The GOMACO rotary stinger vibrator attachment automatically rotates 180 degrees at the end of each pass. This keeps the vibrator pulling through the material with the eccentric always trailing and provides vibration to the end of the pass. The angled vibrator allows maximum depth consolidation. This single vibrator system eliminates the expense of a double vibrator system and the need for double hydraulics.
Pan-Type Vibrator
The hydraulic pan-type vibrator is used for latex overlay applications or with protruding fin for street work.
Vibrating Finishing Cylinder(s) for Low-Slump and High-Density Overlays
The GOMACO single and double vibrating cylinders are designed for low-slump and high-density overlays. This system is the only cylinder finisher available that compacts and consolidates material with cylinder vibration. This means total versatility for your finisher, allowing you to finish low-slump and high-density overlays, including micro-silica overlays.
Variable settings allow adjustments for frequency of vibrations for various mix designs. The vibrating cylinders are capable of 6,700 vibrations per minute to meet the strictest specifications. This allows you to obtain required density and finishing specifications on overlays. The vibrating cylinders can be used for bridge deck finishing, flat slabs and slope projects. The single and double vibrating cylinders are available for the complete line of GOMACO finishers.
Pivot Point
Waste treatment facilities which require a 360 degree concrete finish can easily be accomplished with either the C-450 or C-750 pivot point operation.
GOMACO’S Patented 3-Point Finishing System
With the GOMACO patented 3-point finishing system, the auger serves to level the concrete, the cylinder consolidates and finishes the concrete and the float pan seals and textures the surface.
Using the 10 in. (254 mm) diameter auger, the same diameter as the cylinder, assures proper leveling and grade preparation for the finishing cylinder. The auger is hard faced for a greater life span. The auger and cylinder are adjustable in height on-the-go by raising or lowering the front elevation jacks.
The final step in the 3-point finishing method is the 25 in. (635 mm) by 22 in. (559 mm) GOMACO float pan, which follows the cylinder and seals and textures the surface. Adjustable, double, 10 in. (254 mm) diameter cylinders and augers and double float pan are available.
Skewed Carriage
A 360 degree turntable on the upper carriage allows maximum skewing of the undercarriage to keep the finishing cylinder parallel to the center of the slab. Automatic advance on the C-450 allows the machine to automatically advance to any pre-set distance at the end of each carriage pass. As machine advances, the undercarriage can change attack angle and concrete finishing resumes.
Seven More Reasons To Choose GOMACO Finishers
Eight-Roller Carriage System
Eight-roller carriage system is designed to move smoothly through crown adjustments and rail joints on flat or crown finishing. Rollers are CNC machined steel wheels with maintenance-free, sealed roller bearings. New quick and easy adjustment of all rail pinch rollers.
PTA
Power Transition Adjuster (PTA) for smoother operating crown adjustments. Designed to transfer the load throughout the frame.
Features For The Operator's Platform
• The operator’s platform is designed for strategic positioning, providing excellent visibility of the entire finishing operation.
• Operator access from either the front or end of the machine.
• Easy access to the engine compartment.
• Better clearance for the carriage and attachments.
• Self-widening jacks will easily clear the console platform and can be used on both ends of the machine.
Jackmount Assembly
Jackmount assembly for enhanced manual or power widening. Angle iron design for better roller engagement and smoother travel. All new jackmounts have built-in self-locking capability to lock the jack in place anywhere along the rail, and are designed for better weight distribution. Provides easy roller adjustments.
Offset rollers even out the load on all four rollers to eliminate binding and to roll more efficiently.
Adjustable Augers
GOMACO’s adjustable auger attachment is designed to be attached in any position for full strike-off control. Quick, easy and accurate grade adjustments. Equipped with 7.75 in. (197 mm) diameter by 24 in. (610 mm) long, double-wrap augers with a 3 in. (76 mm) pitch. The augers can be quickly adjusted to 1 in. (25 mm) above or below the finishing cylinders.
Double Float Pan
Double float pan with jack designed with complete interchange capabilities or additions to the finishing system setup. Common beam design for adjustment in applications with any number of finishing systems.
Vibrator Assembly
Vibrator mounting assembly for adjustable pan or rotary stinger vibrators. Designed to be attached in any position. The pan vibrator can be quickly adjusted to 1 in. (25 mm) above or below the finishing cylinders.
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