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Fine Pitch Lead Reconditioning |
Click here to view the .pdf file of our new MLCS Brochure. (35mb)
Fancort and Dana Design introduce a unique, patent pending, manual lead reconditioning system that can quickly and simply correct most rejected fine pitch components for immediate re-use on your pick and place machines. The system consists of two machines used in conjunction with a skilled operator to recondition parts usually in less than three minutes without expensive tooling changes. It is important that you understand the entire lead conditioning process, which is described below.
| MLCS-4 Dana Design (Plastic packages)  MLCS-3 Dana Design  Pictured above: New MLCS-3 for ceramic and plastic packages with vision magnification system for viewing work area. |
MLCS-4 Close Up F-1B/1RC  |
Reconditioning of Ceramic Fine Pitch Components
Ceramic fine pitch QFPs are unlike conventional plastic QFPs in their packaging methodology. The leads are brazed to the ceramic body instead of being molded. Consequently, the position of the leads from one side of the package to another side of the package may not be the same, unlike plastic packages that have the precise lead position on each side. Therefore the MLCS-4 which depends on consistent lead position cannot be used. The new MLCS-3 reconditioner can accomodate ceramic packages because of two new features:
The MLCS-3 can also be used to process ceramic packages, and a model for plastic packages with the magnification system is also available, P/N MLCS-4.
PDF Newsletter on MLCS-3 for reconditioning ceramic packages.
Damage to fine pitch components is a common industry problem, and with current parts shortages, can become a critical problem. As pick and place machines become more accurate in their inspection cycle, the parts must be within Jedec specifications or will be rejected. Lead reconditioning of these "rejected" fine pitch components is a somewhat complex process, which is why there are machines on the market that cost well over $150,000. The leads on all QFPs have a memory from the initial lead forming, and fine pitch parts are easy to deform in handling. You also risk permanent damage to the parts by overworking the leads during repair. If you are doing hand rework or accumulating scrap, we have a solution.
Coplanarity Reforming Tool
The Tooling Division of Fancort Industries has a unique tooling system to reform coplanarity on two and four sided SMDs. The system processes one side at a time to a precise coplanar dimension and can be adjusted for standoff, shoulder dimension, lead material thickness and heel radius on packages up to 2.5" in length. Additional inexpensive forming sets can be purchased to change any of these package dimensions. Download a newsletter on our Coplanarity Reforming Tool.
Download our PDF newsletter!
Reconditioning System
A complete system for lead reconditioning all parameters of an SMD is available from Fancort and Dana Design. The system consits of the F-1B/1RC reforming tool and the MLCS-4 or 3 to reclaim damaged parts on your pick and place machines. These machines used in conjunction with a semiskilled operator, allow you to salvage most damaged components in less than three minutes without expensive tooling changes. Let's review the process.
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#1. The first step requires the operator to visually inspect each part, and make a determination as to whether the part is worth repairing, or should be tossed. The decision to fix or not fix usually depends on how deformed the leads are whether leads are missing, and the cost or importance of the part.
#2. The second step is manual lead prep by the operator, such as fixing leads that might be crossed or curled under the body. These conditions prevent the lead conditioning machines from performing properly in the next two steps.
#3. The third step, is to use the
F-1B/1RC reformer to reestablish the gullwing shape and reset the tip to tip dimension. If lead pitch is perfect, it can be used to reset coplanarity with the correct set of formers.
#4. The fourth step is to use the Dana Design MLCS-4 to correct lead sweep, pitch and coplanarity.
#5. The final step is visual inspection using the Fancort coplanarity inspection mirror.
Features
| Dimensions: | |
| MLCS-4 | 10" x 10" x 10" |
| F-1B/1RC | 6" x 6" x 18" |
| MLCS-3 | 10" x 10" x 24" |
| F-1B/1X-RC | 6" x 6" x 18" |
| Description | Part Number |
| Lead reconditioner for plastic parts with one nest and comb | MLCS-4 |
| Lead reconditioner for ceramic and plastic parts with magnification system, one nest and comb | MLCS-3 |
| Reforming machine with one forming set | F-1B/1RC |
| Reforming machine for ceramic parts with one forming set | F-1B/1RC-X |
| Coplanarity inspection mirror | CI-1 |
We recommend sides:
