Hydraulikventilgehäuse

Exigências da usinagem

• Situação flutuante da tolerância do fundido
• Corte interrompido severo
• Evitar a formação de anéis durante o mandrilamento e garantir a remoção segura dos cavacos
• Evitar falhas macroscópicas nas bordas de controle no processo de mandrilamento
• Exigências elevadas para tolerância de forma e posição
• Remoção constante de material antes do brunimento
• Consideração da variação dos componentes e os espaços limitados de armazenamento das ferramentas no conceito de usinagem

Usinagens de furos

Furo do carretel

Furo do carretel

The relative movement of the spool along the control edges controls the flow direction of the fluid.

Compensator bore

Compensator bore

Despite different loads on agricultural and construction machinery, the volume flow for the lifting and lowering speed on an excavator shovel, for example, must remain constant. If a low load is present, the spring-preloaded pressure compensator releases a smaller cross section, to keep the volume flow constant. With high loads, a larger cross-section is released. The working speed of the hydraulic cylinder connected to the excavator shovel thus always remains the same.

Additional bore machining

1__Tie rod hole 2__O-ring bore 3__Oil bore 4__Thread bore 5__Port hole 6__Check valve hole

• 
  1 / 6

  Tie rod hole

  Bore for tie rod, which keep the individual valve blocks together.
• 
  2 / 6

  O-ring bore

  Countersink for O-rings for sealing the plane surfaces between
  individual modules.
• 
  3 / 6

  Oil bore

  Oil channel for distributing the oil in the part.
• 
  4 / 6

  Thread bore

  Bores for fastening attachments.
• 
  5 / 6

  Port hole

  Bore for connecting the individual consumers to the valve block.
• 
  6 / 6

  Check valve hole

  Check valves for blocking a volume flow.

• 1__Tie rod hole 1__Tie rod hole
• 2__O-ring bore 2__O-ring bore
• 3__Oil bore 3__Oil bore
• 4__Thread bore 4__Thread bore
• 5__Port hole 5__Port hole
• 6__Check valve hole 6__Check valve hole

Application solutions

1 – Séries pequenas e médias com ferramentas fixas

Situação inicial no cliente

Corpo da válvula EN-GJS-400-15 – Furo do carretel

• Pedidos individuais, pequenas e médias quantidades de peças
• Nenhuma possibilidade de ajuste da ferramenta
• Baixo tempo de espera necessário
• Altas taxas de hora da máquina
• Disponibilidade de um processo de brunimento expansão estável
• Conceito de ferramenta adaptado a várias variantes de componentes

Détails

2 – Grande série avec outils fixes et ajustables

Situation initiale du client

Corps de valve EN-GJS-400-15 – Alésage de tiroir et de compensation

• Grande série
• Réglage des outils souhaité
• Taux horaire élevé des machines
• Coûts élevés pour les pierrages suivants

Détails

3 – Petits lots – Diminution des changements d'outils grâce aux outils combinés

Situation initiale du client

Corps de valve EN-GJL-300 – Alésage de tiroir

• Petits lots
• Possibilité de régler l’outil
• Changement d'outil trop fréquent/fréquent
• Taux horaire élevé des machines
• Frais élevés en raison du processus de pierrage

Détails

4 – Rodage flexible sur le centre d'usinage

Situation initiale du client

Corps de valve EN-GJS-400-15 – Alésage de compensation / Usinage de pierrage

• Exigence de réduction des frais annexes
• Centre d'usinage existant transformé en TOOLTRONIC
• Usinage de pierrage pour la construction de prototypes, ainsi que pour les petites et moyennes séries
• Exigence d'économiser le processus de pierrage sur une machine séparée

Détails

5 – Toolmanagement

Initial situation at the customer

Valve housing EN-GJS-400-15 – complete machining

• High inventories
• Processes in the tool-setting area not optimal, and incomplete data quality
• Cost transparency is not sufficient
• High fluctuation due to general lack of skilled workers
• Problems with tool breakage
• High tool costs

Details

Tool solutions