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 Which Jomar process is suitable for my product? The Jomar Extrusion Blow Moulding (EBM) process can generally be used to produce any blow moulded article. It is mainly used for thin walled bottles, oval and oblong bottles with a high blow ratio, articles with unusual shapes, containers with handles, and for multi-layer and view stripe requirements. It is also used where production requirements are low due to the relatively low cost for moulds and tooling. The EBM process can allow for a fast response time to a project at a relatively low cost. The Jomar Injection Blow Moulding (IBM) is the preferred process for the production of fully finished bottles with controlled neck finishes, consistent weight and even wall distribution where higher quantities are required - usually of over 2 million per year. The Jomar Injection Stretch Blow Moulding (ISBM) is mainly for the production of small (under 500ml) bottles in PET and PP where thin wall and clarity are important. How do Jomar support machine sales in distant and new countries? Jomar’s policy for over 30 years has been to use globally sourced components that are recognized around the world as the highest quality available for that job. In order for our customers to purchase locally, we maintain a list of agents for the parts we use so that we can put you in touch with someone locally, immediately. We also maintain a considerable inventory of machine components at our service offices, that can be shipped to our customers in most cases the same day we are alerted to a problem. We also supply a 2 year spares package that we have developed to keep your machine in operation at all times. The service department for IBM machines can be contacted on jomarservice@earthlink.net. How can I contact Jomar Worldwide Sales and Service? Jomar has representatives for sales & service in most key locations around the world and, where you are unable to obtain local direct contact please leave a message on the registration page and we will get back to you with your local agent details. For machine problems, contact one of the Jomar offices around the world for immediate assistance. Where can I get process and maintenance training for my personnel in order to get the best from my Jomar machine? We invite all of our customers to visit our manufacturing plant during the machine-testing period for training by your technicians. We also perform training at our customer’s plant at the time of the machine installation and start-up. On request, we can also arrange training expressly for a customer at our plant or at their plant. back to top What is the delivery time for a Jomar machine? Jomar IBM machines are normally available in 90 days against receipt of a firm order and deposit. However, if you have an urgent requirement, the flexibility of the Jomars production schedule may make it possible to reduce this lead time considerably. All EBM models are generally available for delivery within the time required to manufacture the moulds and or the extrusion head. Also, we may have development machines on special offer which are listed under machine sales on this web site. How many cavities can I run on a Jomar machine? In IBM this depends on many factors including the actual size of the product, the neck size, the material and grade processed, the required hourly output etc. See Sizing an IBM machine and Maximum cavitation available in the pdf library. In EBM the maximum cavities always depends on the width / diameter of the article. It is necessary to maintain a specific distance between the cavities to allow for cooling channels in the mould, which determines the centre distance needed. The machine model will also dictate the number of cavities ie: small machine less cavities, large machine more cavities. We would suggest that you contact one of our sales offices for technical assistance or complete the quotation form. IBM - Why a vertical plastifier? The vertical plastifier has been an integral part of Jomar IBM machines from their conception and is a low energy, cost effective system with the ability to process a wide range of materials used for producing injection blow moulded products WITHOUT CHANGING THE SCREW! Other screws are available for optimum processing of specific materials. Full information on the application of the vertical plastifier are available on a CD. back to top IBM - Why use overhead hydraulic cylinders? With over 1000 machines installed worldwide, Jomar know that overhead hydraulic cylinders give the best engineering solution for the movement and clamping of both the preform and blow mould platens. This offers direct clamping pressure to the moulds, where it matters, and with the Jomar designed floating platen system, there are no side loads applied to the clamping cylinders. This virtually eliminates seal wear and the potential for leakage. Tooling alignment is maintained by the die set -not the clamp for less mould wear. Can one preform make different bottles? The preform defines the neck detail, weight and overall height of the final bottle. Changes to blow mould shape, provided it fits in the blow mould block width can be accommodated. This can include slight ovalization, panels and changes to the shoulder area. With quick connectors it is possible to change a blow mould in an IBM machine in 20-30 minutes. If alternative bottles are required, it should be specified at the start of a project so that it can be incorporated in the mould design. Can PET be processed on Jomar IBM machines? PET is being processed on Jomar IBM machines for the manufacture of products that do not require the full attributes of ISBM. For your own specific enquiry, please contact your local Jomar representative who will advise you in greater detail on this requirement. Visit the pdf library for further information. back to top |
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