ATA launches new anti-vibration straight grinder (Aug 2011)
The ATA Group has launched its new SMD portable pneumatic hand grinder for a wide range of handheld grinding applications. ATA comments that it has worked closely with customers and conducted extensive R&D to deliver a grinder that consumes up to 50 per cent less compressed air and has increased power levels with effective vibration damping.
The new SMD straight grinder supersedes its predecessor with a host of new features. According to ATA, the new SMD grinder’s use of less compressed air could typically save the end user up to £40 per tool for every 100 hours of use, potentially equating to over £500 per annum. This potential saving is the result of the all new motor, exhaust and throttle systems that have increased the power to weight ratio while also reducing air consumption.
Available in two models, the SMD25LR and the SMD18LR are rated with a speed of 25,000rpm and 18,000rpm respectively. ATA reports that the all new design of the SMD’s throttle not only contributes to the increased power levels of the SMD by significantly increasing airflow, but also provides users with enhanced levels of control. The design of the SMD’s throttle provides operators with a slow start facility. This is said to significantly reduce the risk of causing damage to both consumable and work piece when a grinding process is begun.
Improved accuracy and greater run-out consistency
The challenge of reducing noise and quickly re-directing used compressed air away from the operator has been taken on by the all new exhaust system, which also incorporates a flexible, lightweight overhose. To improve accuracy and deliver greater run-out consistency, ATA has also designed a new collet, cap-nut and chuck design for the SMD series of grinders.
A development to the rear suspension of the SMD range has meant that in comparison to its predecessor, the new range has a reduced number of internal components. From a service perspective, this reduction in components is said to simplify the whole disassembly and reassembly operation, to ensure that servicing can be conducted with greater speed and efficiency.
The moulded body improves tool grip. It also reduces the contact area with the aluminium body, thus insulating the operator’s hands from the cold temperatures that are common with pneumatic grinders. The grinder’s trigger has also undergone a re-design to make it more ergonomic.
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