Richard Hoare

Plant & Machinery

SPECIFICATION

 

One Fully Reconditioned HOFLER Model H1250/1500.

Manufactured in 1983 and Completely Reconditioned in 1999 to Accuracy DIN4 in Air Conditioned Workshop and DIN5 Workshop.

 

TECHNICAL DATA:  
   
Gear Diameter  Max                                    1250mm with Tailstock
  1500mm Without Tailstock
Root Diameter                                                  Min      100mm
Module                                                            Min 2   Max  25
Grinding Stroke                                                    Max 550mm
Face Width B = 0 deg                                      Max     520mm
Number of Teeth                                              Min 12             Max 432
Prime Numbers upto                                          Z 156
Helix Angle                                                       Max Degree 35
Table Load                                                       Max 6000Kg
Work Table Diameter                                       1000mm
Number of Teeth, Index Gear                           Z 336
Table Bore                                                       200mm
Depth                                                               200mm
Grinding Wheel                                     Dia Max 400mm
Pressure Angle                                     Degr 14.5-30
Pressure Angle, Grinding Wheel                        Degr 14.5-25
Grinding Wheel Surface Speed             Const M/Sec 35
Tip and Root Relief                                           Max 0.2
Crowning                                                         Max 0.25mm
Generating Speed                                             mm/min 90-900
Grinding Slides Double Strokes per min            20-200
Total Power Rating                                           KVA 75
Total Weight Approx                                        28,000 Kg
Dimensions L x W x H                          6.6 x 5.5 x 3.4m

 

 

Quotation Continued for:

HOFLER H1250/1500

 

            STANDARD EQUIPMENT:

*          Electrics 380V  50 Cycl According to VDE Programmable Controls (PC)

*          Hydraulic and Hydrostatic Unit

*          Automatic Cooling System for Hydraulic, Hydrostatic and Grinding Oil

*          Automatic Power Band Filtering System for Grinding Oil

*          Complete Work Enclosure

*          Electrostatic Oil Mist Exhaust System

*          Automatic Grinding Wheel Dressing Device

*          Tip Root Modification Equipment

*          Crown Grinding Equipment

*          Optical Helix Angle Setting Device

*          Digital Work Diameter Setting Device

*          Control of Constant Circumferential Speed of Grinding Wheel

*          Rapid Work Table Rotation for Run Out Check

*          Work Support Column Width with Work Arbor Adaptor and Three Drive Gears

*          Indicator Bars

*          1 Set of Standard Crowning Templates

*          1 Set of Grinding Wheel Flanges (2 Pieces)

*          1 Set of Indexing and Generating Change Gears Including Cabinet

 

            SPECIAL EQUIPMENT:

*          Electro Dynamic Grinding Wheel Balancing Device

*          Vertical Positioning of the Crowning Templates

*          Helix Angle Correction Attachment (Taper Grinding)

 

            SCOPE OF RECONDITIONING:

*          New Electric Cabinet According to VDE 380V, 50 Hz with Integrated Plc-Control,

            GE-Fanuc Incl

*          Service Modem

*          Display to Call up Errors

*          Danfoss-Convertor to Regulate the Constant Circumferential Speed of Grinding

            Wheel 35m/sec

*          One Axis Ram Control, Manufacturer Pauli

 

            MACHINE BED/MACHINE REST:

*          Scraping of All Slides

*          Regrinding of Guide Ways

*          Complete Reconditioning of Worm and Worm Wheel by Pfauter

*          Complete Reconditioning of the Steady Rest

*          Installation of a Complete New Servo Drive

                                               

Quotation Continued For:

HOFLER H1250/1500

 

            HYDRAULIC AND COOLING:

*          New Cooling Unit for Hydraulic, Lubrication and Grinding Oil Connected with PLC,

            Manufactured by Furrer of Switzerland

*          New Hydraulic Unit

 

            COVERING:

*          Complete Reconditioning of the Covering

*          Complete Reconditioning of the Oil Mist Absorber

 

*          New Filteration Unit with Grinding Oil Tank

 

 

            PARTS OF CONSUMPTION:

*          Grinding Wheels, Filter Paper, Dressing Diamonds

 

ACCURACY:              DIN4 in Air Conditioned Workshop

                                     DIN5 in Normal  Workshop

 

This specification is not binding in detail and prospective purchasers are advised to check any vital detail.

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