Machinist Kalc Programs

Milling machine arbor and spindle tapers require a 3 1/2 inch (29.17%) taper per foot. Download and print this handy chart and keep nearby to assist you with frequent tapers. The arbor taper chart shows dimensions in inches and millimeters for sizes 30, 40, 50, 60 and I, J, K, L, M, N, O, P, Q, R. Standards are not established for metric thread sizes for K. The spindle taper chart also shows dimensions in inches and millimeters for sizes 30, 40, 50, 60 and A, B, C, D, E, F, G, H. Standards are not established for metric thread sizes for H. Thanks for visiting MachinistKalc.com today.

Every machinist will eventually have to make or use taper pins. So, this month's helpful tip for you to download and print includes tables of metric and standard taper pins sizes. This download consists of 3 pages.  The metric table shows the metric diameter at the small end measuring from 1 to 20 millimeters and the length of taper pins from 10 to 150 millimeters. The standard table shows the diameter at the small end from .1306 to .6665 and the proper drill sizes to use. The standard table also shows the length of the pins from 1/2 inch to 5 1/2 inches. Sample of metric size chart Sample of standard size chart Thanks for visiting MachinistKalc.com .

DISCLAIMER How to Convert Letter Drill Bit Sizes: BITSNUM: Is a program to convert Letter drill bits sizes to Decimal and Metric. Example: M = 0.295in or 7.49mm" Use email account on your iPhone, open with GraphNCalc83. You should receive a message "Imported Successfully". Watch how this program works Buy now for $2.00   You will be directed to Payhip to make your payment when you click on Buy Now below. After paying, you will receive a download link on the screen as well as your email address. Buy Now If the button doesn't load, please try opening this page in a browser like Chrome, Firefox, or DuckDuckGo. Alternatively, click HERE to purchase directly. Thanks for visiting www.MachinistKalc.com today.

DISCLAIMER How to Convert Number Drill Bit Sizes to Decimal and Metric BITSNUM: Is a program to convert Number drill bits sizes to Decimal and Metric. Example: #50 = 0.070in or 1.78mm" Use email account on your iPhone, open with GraphNCalc83. You should receive a message "Imported Successfully". This will download  the BITSNUM calculator program to your phone. Watch how this program works Buy now for $2.00   You will be directed to Payhip to make your payment when you click on Buy Now below. After paying, you will receive a download link on the screen as well as your email address. Buy Now If the button doesn't load, please try opening this page in a browser like Chrome, Firefox, or DuckDuckGo. Alternatively, click HERE to purchase directly. Thanks for visiting www.MachinistKalc.com today.

DISCLAIMER How to Calculate Distance Between 2 Points DIS2PTS: Is a program to calculate the distance between two points. Example: X1:2.5, Y1:1.5, X2:3.5, Y2:2.625 Distance= 1.5052 Use email account on your iPhone, open with GraphNCalc83. You should receive a message "Imported Successfully". This will download as DIS2PTS on your iPhone. Watch how this program works Buy now for $2.00   You will be directed to Payhip to make your payment when you click on Buy Now below. After paying, you will receive a download link on the screen as well as your email address. Buy Now If the button doesn't load, please try opening this page in a browser like Chrome, Firefox, or DuckDuckGo. Alternatively, click HERE to purchase directly. Thanks for visiting www.MachinistKalc.com today.

DISCLAIMER How to Convert Fraction Drill Sizes to Decimal Sizes BITSFRAC: Is a program to convert Fraction drill bits sizes to Decimal. Example: 7/16 = 0.4375" Use email account on your iPhone, open with GraphNCalc83 program . You should receive a message "Imported Successfully". This will download as BITSFRAC onto your iPhone. Watch how this program works Buy now for $2.00   You will be directed to Payhip to make your payment when you click on Buy Now below. After paying, you will receive a download link on the screen as well as your email address. Buy Now If the button doesn't load, please try opening this page in a browser like Chrome, Firefox, or DuckDuckGo. Alternatively, click HERE to purchase directly. Thanks for visiting www.MachinistKalc.com today.

This month's tip is a free downloadable chart that shows drilling speeds for high speed drills. The suggested cutting speeds are expressed in feet per minute, meters per second, and meters per minute. Sample of Drilling Speeds Chart Materials list includes: Aluminum and its alloys, ordinary brass and bronze, heat treated metals, stainless steel, titanium alloys, wood, and more. Feeds for drills at the bottom of the chart show the diameter of drills in inches and the feed in inches per revolution; also, the diameter of drills in mm and feed in mm per revolution. Thanks for visiting www.machinistkalc.com .

These tables of cutting speeds are for metric, fraction, letter, and number size drills, which I'm providing as a free download . They provide speeds as follows:  Metric Drills Cutting speeds for 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 120 meters per minute. Revolutions per minute are provided for the following diameters in mm and their coinciding meters per minute listed above: 1.5, 2. 2.5, 3, 3.5, 4, 4.5, 6, 7.5, 9, 10.5, 12, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70.  Sample of metric cutting speeds table Fraction Drills Cutting speeds for 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150 feet per minute. Revolutions per minute are provided for the following diameters in inches and their coinciding feet per minute listed above: 1/16, 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8, 1-1/2, 1-5/8, 1-3/4, 1-7/8, 2, 2-1/4, 2-1/2, 2-3/4, 3 Sample of fraction cutting speeds table Letter Drills  Cutting speeds for 30, 40, 50, 60, 70, ...

Today's handy tip is a PDF download for a chart that shows  decimal inch equivalents  to metric size drills as shown in the sample image below. The sizes range from 0.35 mm/.0138 inches to 15 mm/.5905 inches. Here's a link to all my Machinist tips in case you've missed any. I have had a contact form issue (Contact tab is at the top of this page) and have fixed that if you should need to get in touch with me with questions or requests. Thanks for visiting MachinisthKalc.com

This month's tip includes data for general purpose high-speed steels and cobalt high-speed steels. The 5-page  download includes definitions of terms shown in the image, as well as reference and documentation data and special surface treatment descriptions and characteristics. A few examples of special surface treatments are: black oxide, gold finish, and polished finish. Other names these treatments are 'also known as' are provided in the download file as well. I hope you enjoy today's tip provided by www.machinistkalc.com .