CA2608176A1 - Nitinol ice blades - Google Patents
Nitinol ice blades Download PDFInfo
- Publication number
- CA2608176A1 CA2608176A1 CA002608176A CA2608176A CA2608176A1 CA 2608176 A1 CA2608176 A1 CA 2608176A1 CA 002608176 A CA002608176 A CA 002608176A CA 2608176 A CA2608176 A CA 2608176A CA 2608176 A1 CA2608176 A1 CA 2608176A1
- Authority
- CA
- Canada
- Prior art keywords
- blade
- blanks
- temperature
- grinding
- nitinol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
A Nitinol ice blade includes a blade body having attachment structure by which it is held in a blade holder of an ice travel device, such as an ice skate or ice boat. The processes and products made by the processes. The processes include selecting a Type 60 Nitinol sheet or bar that has been hot-worked at a temperature of above about 900°C
to a reduction of at least about 2% in the dimension of said hot-working. Blade blanks are cut from the sheet, and the blade blanks are heated to between 600°C to about 800°C and immediately quenched to ambient temperature to produce blanks having a hardness of about 48-53RC. The running edge of the blade blanks are ground to a desired profile and sharpness. The ground blades may then be heated to an elevated temperature of about 850-1000°C and immediately quenched to produce a hardness at the edge of above 56RC.
to a reduction of at least about 2% in the dimension of said hot-working. Blade blanks are cut from the sheet, and the blade blanks are heated to between 600°C to about 800°C and immediately quenched to ambient temperature to produce blanks having a hardness of about 48-53RC. The running edge of the blade blanks are ground to a desired profile and sharpness. The ground blades may then be heated to an elevated temperature of about 850-1000°C and immediately quenched to produce a hardness at the edge of above 56RC.
Claims (8)
1. A method for sharpening a running edge of a Type 60 Nitinol ice skate blade to produce a hollow grind with opposing sharp edges, comprising:
grinding said running edge, using a grinding wheel made substantially of cubitron, to a desired hollow profile with said desired sharp edges, making shallow grinding passes of about 0.002-0.004" for each pass until said desired sharp edges are attained.
grinding said running edge, using a grinding wheel made substantially of cubitron, to a desired hollow profile with said desired sharp edges, making shallow grinding passes of about 0.002-0.004" for each pass until said desired sharp edges are attained.
2. A method of making ice blades, comprising:
selecting a Type 60 Nitinol sheet that has been hot-worked at a temperature of about 900°C to 950°C to a reduction of at least about 2% in the dimension of said hot-working;
cutting ice blade blanks from said sheet;
heating said blanks to between 600°C to about 800°C and immediately quenching said blanks to ambient temperature to produce blanks having a hardness of about 48-53RC; and grinding one edge of said blade blanks to a desired profile and sharpness.
selecting a Type 60 Nitinol sheet that has been hot-worked at a temperature of about 900°C to 950°C to a reduction of at least about 2% in the dimension of said hot-working;
cutting ice blade blanks from said sheet;
heating said blanks to between 600°C to about 800°C and immediately quenching said blanks to ambient temperature to produce blanks having a hardness of about 48-53RC; and grinding one edge of said blade blanks to a desired profile and sharpness.
3. A method as defined in claim 2, further comprising:
heat treating of the bottom of the blade to produce a very hard and erosion resistant surface.
heat treating of the bottom of the blade to produce a very hard and erosion resistant surface.
4. A method as defined in claim 3, wherein:
said heat treating of said bottom of said blade includes heating said one edge to an elevated temperature of about 850-1000°C and immediately quenching said blade blank to produce a hardness at said one edge of above 56RC.
said heat treating of said bottom of said blade includes heating said one edge to an elevated temperature of about 850-1000°C and immediately quenching said blade blank to produce a hardness at said one edge of above 56RC.
5. A method as defined in claim 2, wherein:
said grinding step includes rotating a narrow grinding blade, made primarily of cubic boron nitride, against said one end of said blade blanks and grinding off a layer of Nitinol in several passes, each pass being at a depth of 0.015"-0.020".
said grinding step includes rotating a narrow grinding blade, made primarily of cubic boron nitride, against said one end of said blade blanks and grinding off a layer of Nitinol in several passes, each pass being at a depth of 0.015"-0.020".
6. A method of forming a part made of Type 60 Nitinol to a desired shape, comprising:
heating said part to a temperature above 700°C;
placing said part between matched dies having a die interface profile corresponding to said desired shape; and holding said part at said temperature for a period of at least about 15 miuntes.
heating said part to a temperature above 700°C;
placing said part between matched dies having a die interface profile corresponding to said desired shape; and holding said part at said temperature for a period of at least about 15 miuntes.
7. The method as defined in claim 5, further comprising:
immediately after said holding period, rapidly quenching said part in coolant from said temperature to a temperature below about 400°C.
immediately after said holding period, rapidly quenching said part in coolant from said temperature to a temperature below about 400°C.
8. The method as defined in claim 6, wherein:
said part is an ice blade and said desired shape is flat.
said part is an ice blade and said desired shape is flat.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35898802P | 2002-02-21 | 2002-02-21 | |
| US60/358,988 | 2002-02-21 | ||
| CA002477022A CA2477022C (en) | 2002-02-21 | 2003-02-20 | Nitinol ice blades |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002477022A Division CA2477022C (en) | 2002-02-21 | 2003-02-20 | Nitinol ice blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2608176A1 true CA2608176A1 (en) | 2003-09-04 |
| CA2608176C CA2608176C (en) | 2011-12-20 |
Family
ID=39190468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2608176A Expired - Fee Related CA2608176C (en) | 2002-02-21 | 2003-02-20 | Nitinol ice blades |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2608176C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016183663A1 (en) * | 2015-05-19 | 2016-11-24 | Skatescribe Corporation | Methods of measuring and grinding an ice blade, and apparatuses using same |
| CN114317939A (en) * | 2021-12-22 | 2022-04-12 | 清华大学 | Skate blade of skating shoe, preparation method thereof and skating shoe |
-
2003
- 2003-02-20 CA CA2608176A patent/CA2608176C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016183663A1 (en) * | 2015-05-19 | 2016-11-24 | Skatescribe Corporation | Methods of measuring and grinding an ice blade, and apparatuses using same |
| CN107848091A (en) * | 2015-05-19 | 2018-03-27 | 斯卡特斯克里布公司 | Method of the measurement with polishing skates and the device using this method |
| US11103974B2 (en) | 2016-05-12 | 2021-08-31 | Skatescribe Corporation | Methods of measuring and grinding an ice blade, and apparatuses using same |
| CN114317939A (en) * | 2021-12-22 | 2022-04-12 | 清华大学 | Skate blade of skating shoe, preparation method thereof and skating shoe |
| CN114317939B (en) * | 2021-12-22 | 2023-04-07 | 清华大学 | Skate blade of skating shoe, preparation method thereof and skating shoe |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2608176C (en) | 2011-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20200220 |