Technical capability
Processes, materials and geometries we run at our plant in the Brás district of São Paulo.
Processes
Available processes
- Tooth milling of gears and worm wheels
- Thread, cylindrical, surface and gear tooth grinding
- Vertical shaping and broaching
- Tooth rounding and sharpening
- Re-cutting teeth of bronze worm wheels
Materials
Materials we work with
| SAE 1045 steel | According to drawing and application |
|---|---|
| SAE 8620 steel (case hardening) | According to drawing and application |
| SAE 4340 steel | According to drawing and application |
| Alloy steels to customer drawing | According to drawing and application |
| TM 23 bronze and bronze alloys for worm wheels | According to drawing and application |
| Cast iron | According to drawing and application |
Worm wheels and worm shafts
Geometries and starts
| Starts | From 1 up to 13 starts |
|---|---|
| Hand of helix | Right and left hand |
| Helix angle | Up to 55 degrees |
| Pressure angle | From 14.5° to 30° |
| Geometries | ZI, ZN, ZK and CAVEX |
Inspection
Checking and documentation
- Dimensional verification of components before release
- Prior drawing approval when required by the customer
- Issuance of material, hardening and other certificates
- Formal response to inspections and non-conformities
- Return invoice for parts received for industrial processing
Capacity assessed case by case according to drawing, material, dimensions and application.
Technical capability statements
Recognition issued by customers
Transcription of the statements and declarations issued by customers, with the original documents held by J. F. Peraita.
BMB — Belgo Mineira Bekaert Artefatos de Arame Ltda.
Vespasiano – MG, Brazil — 01/10/2010
Supplier of machined parts, pulleys and worm shafts, with no restriction on record.
G.D do Brasil Máquinas de Embalar Ltda.
São Paulo – SP, Brazil — 15/09/2010
Supplier of gears and racks since 2003 for transmissions of packaging machines in the food, tobacco and disposables segments, fully meeting technical and quality requirements.
Imerys Rio Capim Caulim
Barcarena – PA, Brazil — 20/09/2010
Punctual and reliable supply of shafts, gears in various modules, pinions, flanges and gearbox covers to specification.
SEW-Eurodrive Brasil
São Paulo – SP, Brazil — 2010
Registered supplier of shafts, gears in various modules, pinions, flanges and gearbox covers to specification.
Anglo American Brasil Ltda.
São Paulo – SP, Brazil — 16/09/2010
Regular supplier of machining services for gears, pinions and components used in gearboxes, within the required technical specifications.
Johnson Controls — Building Efficiency Brasil
São Paulo – SP, Brazil — 27/09/2010
Supply of gears since 2003 used in compressors, technically meeting the company's requirements.
Need to confirm whether we can make your part?
Send the drawing, the sample or the dimensions available. We assess feasibility according to material, dimensions and application.