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The RotaBolt® range provides you with either finger-tip, visual or remote measurement of tension throughout the life of the bolted joint. They surpass traditional tightening methods such as:
- Hydraulic Tensioners
- Flogging
- Torque Systems
which have severe control limitations and can result in unpredictable bolt tension and joint failure.
RotaBolts are setting new safety standards in a wide variety of sectors where joints are subject to fatigue, vibration, pressure containment and structural slippage.
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The STS stud bolt tensioner range is designed for topside operation in a wide variety of applications including pipeline flanges, heat exchangers, pressure vessels, compressor covers, boiler feed pumps, anchor bolts and many others. The range comprises of 23 imperial and 29 metric models, all suitable for working pressures up to 1500 Bar. Imperial models cover all standard bolt sizes from ¾" to 4", metric versions (detailed on page 93) are available for bolt sizes from M16 to M100. Each of the hydraulic cylinders can be used with a variety of interchangeable nut rotating sockets and threaded pullers, available as individual parts or as convenient conversion kits (see pages 94 and 95 for more specific details). This will ensure that the maximum number of bolt diameters can be accommodated using the minimum number of cylinders. All Hi-Force hydraulic stud bolt tensioners are designed and manufactured to include a wear coated piston, maximum piston stroke indicator, self-energising high pressure seals, dual quick connect couplings for easy multiple tensioner connection and a user friendly operation and maintenance procedure. Additional or spare bridges, threaded pullers and nut rotating sockets can be supplied as and when required.
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Features and Benefits:
Bolttech is known for solving the toughest bolting problems found in the industrial world today. These basic practices go into every design and manufacturing detail of our stud tensioning line of tools. We design our tensioners with quality, simplicity and versatility of the specific application and user in mind. Bolttech's Delta Series bolt tensioners maximize efficiency and minimize size for specific single stud size applications.
- Patented high pressure/low friction seals are designed to outlast the competition and provide accuracy within .5% with a calibrated pumping unit.
- Environmentally friendly, using water-filled tensioning systems.
- The direct axial load is applied to the bolt and inaccuracies created through friction are alleviated.
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HYDRAULIC BOLT TENSIONING DEVICE
Output 155Kn to 4476Kn, Stroke up to 15mm, Suitable for Bolt Sizes M18 to M115 in various models
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In its standard range of hydraulic tensioners, SKF Equipements offers no less than 6 different types of tensioners with characteristics which are both different and complementary.
The product range includes multi- purpose, powerful, thin, compact and other types of tensioners, covering a wide range of bolt dimensions from M8 to M160 (5/16” to 6”), and able to apply pre-tightening loads ranging from 50 kN to 8500 kN.
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Flexco® Bolt Solid Plate fasteners are engineered to meet the demands of the toughest material-handling applications. They can be applied to belts mechanically rated up to 620PIW (105 kN/m), and are commonly used on higher-tension main-haulage belts used for highly abrasive materials such as sand, gravel, and crushed stone, as well as coal, cement, and salt.
Bolt Solid Plate fasteners provide a strong, sift-free splice with superior holding ability. The strength of this fastener is derived from the compression of the plates with high tensil strength bolts. The bolts compress top and bottom plates to distribute splice tension evenly across the entire width of each fastener plate. For added strength and pull-out resistance, specially formed teeth penetrate deep into the belt carcass - without damaging the carcass fibers.
Specially designed templets, punches and boring tools make it easy to quickly and accurately punch holes into belts. Fasteners can then be installed on site using portable hand or power tools. The exclusive Flexco piloted bolt speeds installation. The piloted bolt tip cradles nuts securely in place, and simplifies installation by automatically aligning the bolt and nut threads.
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For belts operating over smaller pulleys - such as in construction equipment and road machinery - Flexco® Bolt Hinged fasteners are strong, dependable and easy-to-install.
Designed as a compression fastener, Bolt Hinged is fastened to the belt ends with high tensile strength bolts. These compress the plates in the belt cover. Additional holding capability is provided by the fastener teeth that inbed in the belt without damage to the belt carcass. So splice tension is distributed across the entire plate width and teeth secure the fastener to resist pull-out.
Hinged construction makes Bolt Hinged fasteners ideal for applications requiring frequent belt-length alterations, the joint can be separated simply by removing the hinge pin. A variety of hinge pins are available to match your application.
On-site installation requires only portable hand or power tools. A specially designed templet and boring tool or belt punch quickly and accurately punches bolt holes into belts. Installation is also simplified by our exclusive piloted bolt. Tapered bolt tips cradle nuts securely in place and eliminate the need to twist nuts onto bolts by hand during installation set-up.
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Traditional fastener for rip repair and lacing.
Typ 140, 190, 1 ½, 2, 2 ½ & 3 for belts up to 25 mm thick.
Installation with a template, a driller and a wrench.
Material:
Fastener made of carbon steel galvanized or wear resistant special steel or stainless steel with a nylon washer holding the bolts.
Installation:
A template helps to make the holes with a driller. Using a wrench for screwing the nuts and a bolt breaker.
Packaging:
Standard box with 25 pre-assembled fasteners Type 140, 190, 1 ½, et 2.
Standard box with 10 pre-assembled fasteners Type 2 ½ et 3.
Bucket wit 100 pre-assembled fasteners.
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Fasteners with self tapping screws for heavy duty belt up to 18 mm thick:
- No drilling preparation, no template
- The screws drill themselves trough the belt
- Clamping effect of the plates against the belt
Material:
Fastener made of galvanized steel or non magnetic stainless steel.
Installation:
By using an electric screw driver or a pneumatic screw driver or a hand brace (for underground mines).
Packaging:
In pieces made for the requested belt width up to 3,000 mm in one piece.
The screws are provided in a plastic bag.
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Flexible lacing with self tapping screws for heavy duty belts up to 30 mm thick:
- No drilling preparation, no template
- The screws drill themselves through the belt
- Good compatibility with scrapers
- Very long life time.
- Installation regardless of weather conditions
- Possible to use for an emergency splice of a steel cord belt
Material:
Reinforced rubber corresponding to conveyor quality: wear resistant, heat resistant, oil resistant, fire resistant, white FDA, textile on the bottom and non magnetic.
Installation:
By using an electric screw driver, a hand brace or a pneumatic screw driver.
Packaging:
In length up to 3 m in one piece or on roll up to 25 m long.
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BOLT AND NUT PROTECTION CAPS
CAPU240 are intended for hexagon shaped
Bolt and nut protection caps
Protect against weathering and tampering
Enhance finished appearance
Material: LDPE
Colour: Black - White - other colours on request
Dimensions : mm
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Screw caps
Material: LDPE - PA (Ref: RAK)
ColOur : Black, White, Natural (Ref: RAK)
Other colours on request
Dimensions : mm
- CACHE VIS are intended to protect and cover screws and rivets
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This lock allows :
> The locking of machines such as disconnecting switches, circuit breakers with a complementary condition (authorization delivered by robot, temporization, null velocity pick-up...)
> With contacts on the rear of the bolt, the interlocking of many switches, circuit breakers, disconnecting switches, with complementary condition and indication.
> With a contact on the front of the bolt, the interlocking of control circuits in open position with complementary condition.
The electromechanical lock is equipped with:
> a green LED power indicator
> a pushbutton of voluntary operation and energy saving
> an internal wiring connector block.
> a mechanical override system with a key that is used in case of power failure.
Positive security : Opening of the circuit by the wrenching of the contact related to the key operation.
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Bolt Connector
Central Connector
Angle Connector
Self Forming Hexagonal Cap Screw, with hexagon socket
Self Forming Screw, with Torx
Connecting Screw
Plate Connector
Universal Connector
Butt Fastening Universal Connector
Miling connector
Connecting strip
Pin T-Slot Nt
Screw Connector
Connection Plate
Cube Connector 2D
Cube Connector 3D
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machine foot to bolt on the floor in steel, stainless steel or plastic
Adjustment of ground roughness by ball bearing spindle
Large hexagonal spanner flat assuring effortless heigh adjustment even under weight
Screwed connection between plate and spindle
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In some critical bolting applications, factors such as friction or bolt/joint geometry are such that the measurement of applied torque alone will not provide the degree of accuracy necessary to control the preload within the required limits. Likewise, many critical applications also demand that bolt preload be monitored over the service life of the fastener as part of a predictive or preventative maintenance program. In these applications, ultrasonic measurement of fastener elongation and/or load has frequently proven to be the most accurate, reliable and cost effective solution.
Ultrasonic measurement of bolt preload is made possible by introducing a sonic pulse at one end of the fastener and accurately measuring the time of flight (TOF) required for the echo to return from the opposite end; using material constants, the USM-II converts this TOF into an "ultrasonic length" of the fastener, providing a baseline from which future measurements will be made. When the fastener is tightened, the TOF increases and the USM-II will again utilize material constants to eliminate the effects of stress and temperature variations on sound velocity, providing an accurate elongation or load measurement.
The USM-II uses state of the art hardware and software to achieve these measurements with maximum automation, and minimizes the need for operator interpretation. Offering digital recordation and transmission of data, as well as calibrated analog signal output the USM-II provides a complete system for measurement, recordation, and control of fastener tension in the most demanding applications.
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Innovation for the plastics and pharmaceutical industry
Mini-Compounder KETSE 12/36
With the new Mini-Compounder KETSE 12/36, Brabender® offers a twin screw extruder as miniature scale with application to the chemical industry as well as to the pharmaceutical industry to develop pharmaceutical products. The scale-down of the machine in combination with the comprehensive adaptability to almost each processing task, and the easy handling of the system, explain the distinction of the Mini-Compounder as an excellent laboratory apparatus.
The clam shell barrel (length:36 D) is divided horizontally, can be tilted open, and allows visual assessment of individual processing steps. Furthermore, a comfortable mounting of the screws and a quick cleaning of the cylinder is possible. In addition to the main metering at 0 D, metering or venting ports at a barrel length of 6 D, 12 D and 26 D are available. Side feeding can be installed at 14 D length.
The modular screw conception offers all individual processing possibilities. Even minimum samples as it is especially required in the pharmaceutical industry can be processed with the Mini-Compounder.
Further Brabender® accessories like metering systems as well as various downstream equipment are available to build complete extrusion lines.
We stay at your disposal for further information.
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In-Line Twin Screw Compounding Systems
Together with Coperion (Werner & Pfleiderer), Davis-Standard supplies in-line, twin screw compounding systems that utilize the most advanced equipment and process technology on the market. Our line of twin screw extruders provides customers with excellent quality, high outputs, and superior efficiency for in-line compounding applications. Due to our manufacturing capabilities across all extrusion processes, we're able to provide customers with single-source accountability for in-line systems.
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Twin Screw Extruder
Machine Characteristics
* The longer screw with the newest double conical structure and variable pitch improve the output by over 30%.
* The compact distribution gearbox with the thrust bearings of the famous brand makes the convenient assembly and/or disassembly.
* The hardened gear surface of the gearbox guarantees the high loading capacity and long service life.
* The extruder and feeder are driven by the DC motor. The using of British EUROTHERM DC speed controller achieves the synchronization of the extruder, feeder and haul-off machine, which makes the operation more convenient.
* The Japanese PKG meter ensures precise temperature controlling.
* The main electric components are from the overseas suppliers or domestic joint ventures.
* The melt pressure and temperature transducers allow the obvious inspection of the melt and easy operation.
* The Twin Screw Extruder are mainly used for the processing of the soft/hard PVC pipes, PVC profiles, PVC cables, PVC transparent bottles as well as the other polyolefin products, especially the direct processing of the plastic/powder materials.
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Argos Duo - twin-screw extruders for PVC profile extrusion
Major benefits:
* 100% flexibility in window profile extrusion
* maximum output with minimum floor space requirement due to the vertical alignment of the reduction gear units
* DUO version with output of over 600 kg/h
* different materials, e.g. dryblend, recyclate, etc. can be processed at the same time
Main characteristics:
* two independent extruders and downstream unit for different profile geometries
* available with screw diameters of 72 mm and 93 mm
* separate controls for downstream equipment via CANBUS-interface or analog signal
* customized machine set-ups available, tailored to the space requirements at processors' plants
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Within the courses of its history of innovation tracing back to 1907, JSW entered the plastics machinery business in 1951 with the design and construction of Japan's first extruder. Since then JSW has continuously developed leading-edge equipment numbered 2000 sets throughout the world for the ever-expanding plastics industry. In order to meet with individual demands from our clients the following models are proudly brought to you by JSW.
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MCM-HT Plus
The new HT-Plus represents the new generation of high-torque extruders with a torque density at 13.5Nm.
This new machine is ideal for those materials requiring a high level of specific energy (engineered compounds, masterbatch, polyolefin) together with an improved production yield. In fact, thanks to the improved specific torque, free volume and maximum achievable speed, this new extruder’s family allows an increased in productivity to a maximum theoretical figure of 75%.
HT Plus series is particularly well suited for processing high specific-energy compounds in the techno-polymers field for applications including:
◊ Reinforced or filled polyamides
◊ Polymeric alloys
◊ PET compounding or direct extrusions
◊ Masterbatches
◊ Polymer Colouring
◊ Thermoplastic rubber TPE's
◊ Biodegradable compounds
In the chart below it is showed, given a fixed size of extruder and maximum available speed, the difference in productivity from the standard HT and the HT-Plus along with the changes of specific energy consumption tied to the process.
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Standard MCM
The extruders of tis family have screws diameters ranging from 40 and 170 mm and are supplied with tailor-made configurations, exploiting their modular principle.
The modular extruder barrel can be supplied with water or air cooling unit, with nitrided steel of wear-resistant steel execution and with specific L/D.
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MCM-HT
The main difference between the “MCM” series and the “MCM-HT” version is mainly due to the design of the gear-box, able to transmit a higher torque in comparison to the traditional extruders having the same dimensions and screws speed.
This modification allows obtaining a higher output, in particular when processing materials requiring high specific energy. The torque increase is approx of 40% (MCM-HT) higher for extruders having a screws speed ranging from 150 to 1200 rpm.
The high-torque extruders are available in various sizes, ranging from 40 to 112 mm with different installed power according to the max screws speed. The task of these technical features is to guarantee remarkable outputs strictly bound to a high level of quality.
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ICMA manufacturing range is inclusive of the standard twin-screw corotating extruders (MCM), the high-torque version (HT and HT-Plus) and high-volume (HV) and practically covers all the types of compounded products, ranging from techno-polymers to bioresins.
The extruders, entirely designed and manufactured by ICMA, are supplied with modular structure gear-boxes adaptable to the working conditions of the various versions (low-speed, high-speed, high-torque and high-volume).
TECHNICAL FEATURES of the extruders
◊ MODULAR DESIGN FOR SCREW AND BARREL
◊ BUILT-IN WATER CIRCUIT FOR BARREL COOLING
◊ INTERMESHING SCREW GEOMETRY
◊ ENERGY-SAVING HEATING SYSTEM
◊ UPDATED ELECTRONIC CONTROL DEVICES
PERFORMANCE
◊ Highly flexible modular system
◊ Energy saving, low specific-energy consumption
◊ High intake capacity of feed screws
◊ Fast recipe or colour change due to self-wiping geometry
◊ High plasticisation capacity
◊ Calibrated control of melt temperature
◊ High homogenising/distributive mixing capacity
◊ High dispersive mixing capacity
◊ Fine-tuning of residence time-shear/elongation stresses parameters balance
◊ High venting efficiency due to the large surfaces and to the system’s modularity
Wear-resistant steel and removable liners can be applied according to the type of process
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MCM - HV
Designed and engineered to satisfy a specific market demand, the newest HV Series is based on high free volumes in the melting chamber.
This concept allows for the highest production performance for compounds requiring a low specific energy, such as:
◊ Highly-filled compounds
◊ Wood-Stock, Wood plastic compounds (WPC)
◊ PVC compounds
◊ Flame-retardant compound HFFR
The chart below shows, given a fixed size of extruder and maximum available speed, the difference in productivity between the standard HT and the HV along with the changes of specific energy consumption tied to the process.
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TOSHIBA MACHINE's New TEM"SS"Series Twin Screw Compounder
Toshiba Machine has been evolving and innovating the co-rotating intermeshing twin screw compounder "TEM" since its inception in 1976.
Now, Toshiba Machine is presenting the new series TEM-SS type, TEM-SS is a greatly higher in power with higher torque and speed, attained our extensive experience and the latest technology.
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Extruders
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