MEI S.r.l - info@meisystem.com
Corso Europa Unita, 6 24030 Valbrembo (BG)
ph. +39 035 339 112 fax +39 035 4378007 - P.IVA 02053210163

EN | IT | ES | FR | DE

Bisphera-XDD

Dowload Brochure

Presentation

Double Head industrial Edger for corrective lenses. Automatic - 2 lenses per cycle.
It covers all the cutting & the finishing requirements on ophthalmic lenses, including: straight and inclined bevel with safety bevel and polishing, rimless with polishing (inclined & straight), safety bevels, holes and notches, groove with polshing and safety bevels (nylor), T bevel, special assemblies for high curvature of sunglasses frames (0 to 16 base), etc. It allow to increase the production rate of your lab with the usual quality of MEI industrial edger.

Thanks to the four heads loading arm, the edger is able to work 2 lens per cycle with a very low down time, increasing the productivity of your lab. The bar code reader, the standard OMA connection and the link with the full stack loader (70 + 70 position) or a convey belt, they allow to automate the entire edging process of your lab.

	Straight and inclined rimless, with polishing, safety bevelling, holes, slots and notches (through and in surface).
	Straight and inclined groove, with polishing, and safety bevelling. Option to perform different size of groove along the circumference of the lens.
	Straight and inclined T bevel and inclined step back, without safety bevelling.
	Straight and inclined V bevel, with polishing and safety bevelling on back surface. Option to perform different inclination along the circumference of the lens.
	Step milling process under the edge for reduction of edge thickness and allow thick prescription lenses to fit in wrap sport frames studied for thin plano lenses. Option to perform different size of step along the circumference of the lens.
	Import and design of free form frames with no limits to the shapes and the number of operation. Polishing of complex shapes with the ability to jump the shape parts with small radius that cannot be polished because of the polishing tool diameter.

Why to chose Bisphera-XDD?

Production rate

A mass of factors increase your production rate. The milling process faster the cutting process, the automatic loading system reduce the downtime and the double heads work 2 lens per cycle. You can automate your glazing department connecting the edger with a stack loader or a convey belt. More production in the same time means more business.

Flexibility

The milling technology and the 4 axes allow the machine to perform any kind of shape with any angle. Also the step back or high base (up to base 16!) in some sport lenses is not a problem. The machine is equipped with a range of tools that ensure any kind of working process (see the workable edge types). The opportunity to perform also special edge types normally enable the lab to get more work increasing the business.

Reducing manpower costs

Connecting with a convey belt (or stack loader), all the jobs through smoothly in the cutting process. Control or supervision are not required and a single worker can manage more machines. The operators have just to focus in to feed the edger. Let get you surprised by the through-put of the MEI edger.

Easy to use

The traditional shape can be performed just calling the job (digit the number or reading the bar code). The operator is trained to drawn any sport and fashion lenses with Tecnocam software. It’s no longer the time of skilled workers that work manually special edge.

No obsolescence

The frame of the machines allow any software and tools updating. In this way the lab can use always the last version of the edge. In case the future eyewear requirement asked new edge types won’t be necessary to change the edger (with new investment) but updating software and some part of the hardware the edger will be able to perform new solution. Besides, the industrial structure of the edger grant a long life time. Just try to set a long-term strategy in your business.

Accuracy

The milling process and the measurement feeler allow to arise the higher accuracy of the finishing. The complete automate cutting process grant the perfect mirroring of both lenses. No manual working are required, thus the quality don't lay it on the line. You can deliver your job without any matter of concern!

Reducing waste products

The mirroring help you to perform two perfectly identical lenses. Besides the milling process, using a tenth of force on the lens compared with grinding process, and the Double Drive allow to work any hydrophobic lenses without any risk to rotate them or damage the coated surface (also the protection tape is not necessary). Finally it’s a save of money that affect the bottom line of your business.

Reducing maintenance costs

The industrial structure of the machine needn’t so much assistance and maintenance. The operator is trained to replace the material subject to wear by himself; and the costs of the tools is cheap. Almost all those requirements of the clients has solved by phone or remote control. Besides, thanks at the dry cutting process the water consumption is minimum. All these features reduce remarkably the maintenance costs. Currently how much do you pay for that?

Compatible with any devices

All our edger use standard OMA protocol. OMA language is worldwide used in ophthalmic field so the edge software is open to be interfaced with any devises or lab software management. In this way our clients can install our machine without to worry about the present and future configuration of their labs. It means no need to replace devices just bought.

Technical data

· Type of workable lenses: cylindrical, spherical, toric progressive, also with coating

· Rough lens dimensions: from 30mm Ø to 90mm Ø

· Maximum dim. of finished lens: up to 80 mmØ

· Small box dimension std Weco Vertical = 22x30 mm. Inclined = 24x30 mm.

· Small box dimens. oval Weco Vertical = 20x30 mm. Inclined = 22x30 mm.

(N.B. smaller or different box size can be performed with different block)

· Workable standard lens base: from base 0 to base 12

· Special lens base: until base 16

· Lens locking system: by standard or oval Weco block (Loh, Briot, Nidek or Essilor on request)

· Lens loading/ unloading automatic by double arm sucker system

· Lens tray standard LOH cod 480 – 002 02 Ver 01

· Type of workable material: any plastic material

· Electro spindle speed: 6000 – 36.000 automatic adjustment, liquid cooled

· Working area loader: Four heads loading arm with Double Drive system

· Tray loading management: Two lane conveyor belt with automatic stop

· Job data collection: Multilane barcode reader, Ethernet or RS232 OMA

· Edge thickness detection: 2D probe system on both stations

· Tool changer 11 position available for each head (total 22 position)

· Electrical switchboard: according to CE standards, air-conditioned

· All the components: according to CE standards

· Instruction books: according to CE standards

· Security certificate: signed CE manufacturer certificate

· Dimension (without external stacker) 1250x2220x2360(h) mm

· Weight approximate 1100 Kg

· Server OMA connection standard VCA OMA to be verified

External supplies required by the machine

· Power supply: 400v 3 phases, 6 kW, A 8,66

· Air supply: 6 bars, minimum capacity 600 l/min

· Chip suction: minimum capacity 1400 m3/hour, 25 m/sec

· Water supply: hardness less then 18 French degrees - mix water with lubricate (max 2%) - the edger comes with 17 lt. tank - consumption 0,05 lt. per job

Approximate cycle times (per job or two lenses)

The lens/hour production depend of a lot of factors (size, thickness, coating, base of the lens – kind of edge performed – etc.). For this reason we prefer to state the cycle time per lens (or job), so you can compare with the cycle time of your machinery. For these measurements we used 5 to 8 mm thickness, base 6, box about 50x30, no coating lens. Should you need for more information regarding cycle time, please don’t hesitate to ask us.

V Bevel and safety bevel on back: (CR or HI): 1’ 00” / (poly): 1’ 05”

Rimless with polishing, safety bevels, 4 holes (1,3 mm): (CR or HI): 2’ 26” / (poly): 2’ 31”

Groove with polishing, safety bevel: (Cr or HI) 2’ 24” / (poly) 2’ 29”< /div>

Accessories

Full Stack loader for Loh trays 70+70 positions

This device allow to increase the autonomy of the machine. Thanks to a stack managing system, give the possibility to load stacks of trays, and to run it automatically if they have a properly barcode and the cutting information stored into the machine or into your server.The system is composed by two different devices placed on the two sides of the machine conveyor belt. The de-stacker is placed behind the operator’s side; a correspondingly stacker is located on the operator’s side. Both have enough room to stack 70 trays, and all pneumatic devices to run them automatically through the machine. There is also a version for different trays or 40+40 positions.

Non-european electrical connections

208V - 3 phases - 5 kW - 13,88 A

480V - 3 phases - 5 kW - 6,01 A