FEAT RE FEA ATURE


BELTS, PLTS, PULLEYS & C


EYS & CHAIN S


PUSH-PULL CHAINS GIVE MA


PUSH-PULL CH AINS GI V E MAYPOLE A LIFT


OL


Maypolaypole Engie Engineerineering’g’s previs previous experiences of using push-pull chain actuati n devices, suppl ed by Rodr guez ( K), le


us


exper ences of usi g push-pul chai actuation devices, supplied by R.A.R.A. Rodriguez (UK), led the company t o specify the use of Grob LinearChain technology on bespoke autom ted


th co to


speci y the use of Grob LinearChai technology on bespoke automated handling systems requ ed by a hydraul tor m


R.A. Rodriguez works out the spec of the most suitable Grob


R.A. Rodriguez works out the spec of the most suitable Grob


LinearChain in terms of capacity and length


LinearChain in terms of it


capac y and length T he proj oject demanded the design and manufacture of three workstations, centred aro


und a conveyor special


to automate the lifting and rotating of hydraulic motors, ready for assembly operations. The motors are used for applications that range fr winches to drill heads for


tunnelling. om boat


“In total, the automated handling ,


Each station features the same manipulation concept. Here, a Grob LinearChain SK12, with a stroke length of 1,200mm and load capacity of 1,250kg, is used to provide vertical motion. The chain, which is connected to a gear-motor via a Grob transmission (also supplied by R.A. Rodriguez), coils inside the magazine when retracted,


stations needed to accommodate over 20 making it particularly suited to motor variants of different sizes some of which are double-stacked to provide more torque,” explains Chris Hudson, technical sales engineer at Wokingham- based Maypole Engineering. “The first two stations, known as T1 and T2, are completely automatic – no operators are required. These clamp, lift, turn and orientate the motors, in line with specific build instructions, before placing them on to pallets ready for assembly


operations at T3, which has a light guar d system to protect the operator.”


ed


applications calling for long strokes where space is at a premium.


Grob LinearChain features a special profile with interlocking fingers that allow it to become a rigid thrust device for pushing a guided load, such as on a linear slide or a rail. The great benefit of using a push-pull chain to move a load is that it can be stored compactly. R.A. Rodriguez can supply Grob


LinearChain stroke lengths of up to 30m, with a maximum push force of up t o 35,000kN. The device provides high


acturer based in the U positioning accuracy, constant stroke


proj


handling systems required by a hydrauli c motor manufacturer based in the UK


speed, and shock-free motion with no elastic hysteresis under load.


Hudson continues: “We finished the oject around sixmonths ago. Each station can performvertical, horizontal and rotarymanipulation of the customer’s hydraulicmotors, while the production cycle time to complete the operations is just nineminutes. Fromour perspective, using the Grob LinearChain offers simple and quick installation, and it’s very cost effective in comparison with a hydraulic or electric actuator. Furthermore, LinearChain needsminimal headroomand is easy to maintain We have used it before on a number of high profile proj


. ojects.”


Maypole Engineering is also happy with the service provided by R.A. Rodriguez. “For each proj


oject, our design engineers


calculate the required weight that the chain will have to push and pull, before R.A. Rodriguez works out the spec of the most suitable Grob LinearChain in terms of capacity and length,” adds Hudson.


R.A. Rodriguez www.rarodriguez.co.uk ww arodriguez. o.uk Attachm nt chain is core solution for cid rm ker An attachm nt cha n


An attachment chaiin,, manufactur d conveying system that transports freshl


anufactured iin Renol Renold’s UK Ser UK Service Centr , h s p e Centre, has providided th the solutio solution for a le for a leadining cid r m picked apples i to a washi g machi e at the beginni g of the cider


produced w th 10m to suppor nyl n r Accor


cider maker. T r. The ch conveyi g system that transports freshly picked apples into a washing machine at the beginning of the cider-making process. aking process.


RenolRenold supplied two stainless steel conveyor chains with extended pins and instead of rollers,ers, incorporated a food grade polcorporated a food grade polymer bler block iock in-between the plates. The 40mmpitch, 3,000lb chain was produced with 10mm di diameter extended pins on every two pitches. The extended pins were designed to support nylon rollers on the washing machine’s conveying system. g t Alec Annand, operat le


suppl d two stainless steel conveyor chains with extended pins and i stead of -between the plates. The 40m


to this ord r fro r m


anager at r a it sh


ttach s th ch


Service C th


fo pitch, 3,000lb chain was


qual y of our products. solution w th is o


Service C


According to Alec Annand, operations manager at Renoldld’s U’s UK Service Centre: “We were delighted to win this order from a leadining cider maker as it shows the confididence the company has in the quality of our products. We won the order based on our reputation and ability to supply a quality solution with a fast turnaround.” le


tre: “We w re d lighted s in th


in in stry. T required, and over the l st two years 100 per cent of order wer del vered on ti Renol 16 16 FE FEBRUAR 201UARY 2017 | DES ESIIGN SOLU SOLUTIONS NS Renold


Renoldld is one of the leadining supplieiers of attachment chains to the food and drinks industry. The UK Service Centre offers transmission chains with standard attachments in 72 hours, or less if requi ed, and over the last two years 100 per cent of orders were delivered on time and in full.


fast turnarou th


su tre offers transmissio rs o chain th sta rd to th ttach s in


rs, or less if and i


ww www. www.renold.com / DESIGNSOLUTIONS DESIGNSOLUTIONS


won the order based on our .”


putation and abi y to suppl a qual


ameter extended pins on every two pitches. The extended pins were designed er on the washi g machi e’s conveyi g system ns


chain is inte is integral to th to the Attachment chain is core solution for cider maker


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