Name | Company | ||||
Address | |||||
Tel | Fax | E-Mail | |||
OPERATING LOADS | |||||
Normal operating loadKilo/lbs | |||||
Load is in tension | Load is in compression | Load is in both | |||
Load is constant | Load is variable | ||||
(If load is variable submit load curve diagram.) | |||||
Maximum static load in tensionKilo/lbs | |||||
Maximum static load in compressionKilo/lbs | |||||
Sideloads if any | Overturning moment (cantilever loads) | ||||
Describe | |||||
DUTY CYCLE | |||||
Continuous operation | Intermittent operation | Variable | |||
Time under dynamic load | Time at rest | ||||
Describe operation | |||||
METHOD OF OPERATION | |||||
Screw will be driven | Nut will be driven | ||||
The force will be applied to the nut to rotate the screw (back driven screw) | |||||
Assembly will be lubricated | Type of lube | ||||
Please ask our technical staff for recommendations for the best lubricant for your application. | |||||
SPEED AND TRAVEL RATE | |||||
Rate of travel described in inches per minute | |||||
Input RPM at screw or nut | |||||
Amount of torque available | |||||
TRAVEL LENGTH AND SUPPORTS | ||
What is the unsupported screw length between bearingsin/mm | ||
Does the nut travel the full length of the screwin/mm | ||
If not, over what area does the nut travel | ||
Is the screw operated in a vertical | Horizontal | Other, please state |
What type of end supports are you using? | ||
LEAD ACCURACY | ||
Standard accuracy (.015 in per ft max) / 0.3mm per 300mm) | ||
Precision rolled thread accuracy required (0.003 in per ft) / (.07mm per 300mm) | ||
Ground precision accuracy required (.0005 in per ft) / (.01mm per 300mm) | ||
Better than the above required? Please state 0.0mm / 300mm | ||
SCREW SIZE | ||
Standard backlash OK (up to .007in) / (.1778mm) | ||
Reduced backlash required (.002 in max) / (.0508mm) | ||
Zero backlash required | ||
ENVIRONMENT | ||
Will operate at normal room temperature | Will operate in very dirty / dusty conditions | |
Will operate at very high temperatures | Will operate where metal chips are present | |
Will operate at very low temperatures | Will operate in corrosive atmosphere | |
STRAIGHTNESS | ||
Standard straightness OK (.01in per ft) 0.254mm / 300mm | ||
Special straightness required (.002in per ft) 0.0508mm / 300mm | ||
Straightness better than 0.002in per ft required 0.0508mm / 300mm | ||
END MACHINING | ||
If you want to order the screws with the ends already machined to your specifications, submit a sketch or drawing with details and tolerances required. | ||
QUOTATION INFORMATION | ||
Quantity desired | ||
Delivery schedule | ||
Please submit any additional data you feel would be helpful to us in selecting the proper screw size and in submitting your quotation. Attach drawings of screw and nut if available. Suggestions, help and advice is given in good faith but without responsibility. It remains the responsibility of the customer or end user to ensure that the product chosen meets their life, duty cycle and other performance criteria. |